Rewrite code for binary size collection. (#1480)

* Rewrite code for binary size collection.

- Move apk generation code into a separate gradle project.
- Move metrics uploading code into fireci.
- A failure from a SDK does not affect metrics collection for other SDKs.
- Misc. cleanup.

Author: yifanyang

apk-size/apk-size.gradle

@@ -0,0 +1,31 @@
+// Copyright 2020 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+buildscript {
+
+    repositories {
+        google()
+        jcenter()
+
+    }
+    dependencies {
+        classpath 'com.android.tools.build:gradle:3.4.2'
+    }
+}
+
+apply from: '../sdkProperties.gradle'
+
+task clean(type: Delete) {
+    delete rootProject.buildDir
+}

apk-size/app/build.gradle

@@ -0,0 +1,27 @@
+// Copyright 2018 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+apply plugin: "com.android.application"
+apply from: "default.gradle"
+android {
+    flavorDimensions "apkSize"
+
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_8
+        targetCompatibility JavaVersion.VERSION_1_8
+    }
+}
+
+apply from: "src/base/base.gradle"
+apply from: "configure.gradle"

apk-size/app/configure.gradle

@@ -0,0 +1,50 @@
+// Copyright 2020 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+
+repositories {
+    maven {
+        url '../../build/m2repository/'
+    }
+    google()
+    jcenter()
+}
+
+// firebase-inappmessaging-display fails with `java.lang.OutOfMemoryError (no error message)`
+// in task `:transformDexArchiveWithExternalLibsDexMergerForFirebase-inappmessaging-displayRelease`
+//
+// firebase-inappmessaging-display-ktx fails with `java.lang.OutOfMemoryError: GC overhead limit exceeded`
+// in task `:transformClassesAndResourcesWithR8ForFirebase-inappmessaging-display-ktxAggressive`
+//
+// Setting max heap size to 16g in gradle.properties and android.dexOptions did not help.
+// When running with `gradle --continue`, failing tasks did not timeout. Thus, disable for now.
+// TODO (yifany): Needs further investigation.
+def blacklist = [
+        'firebase-inappmessaging-display',
+        'firebase-inappmessaging-display-ktx'
+]
+if (project.hasProperty('sdks')) {
+    project.android {
+        sdks.split(',').each { sdk ->
+            def (groupId, artifactId, version) = sdk.split(':')
+            if (blacklist.contains(artifactId)) {
+                return
+            }
+            productFlavors.create(artifactId) {
+                dimension 'apkSize'
+            }
+            dependencies.add("${artifactId}Implementation", sdk)
+        }
+    }
+}

tools/measurement/apksize/default.gradle renamed to apk-size/app/default.gradle

@@ -0,0 +1,17 @@
+// Copyright 2020 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+rootProject.name='apk-size'
+rootProject.buildFileName='apk-size.gradle'
+include ':app'

tools/measurement/apksize/proguard-rules-aggressive.pro renamed to apk-size/app/proguard-rules-aggressive.pro

@@ -56,7 +56,7 @@ apply plugin: com.google.firebase.gradle.plugins.publish.PublishingPlugin
 apply plugin: com.google.firebase.gradle.plugins.ci.ContinuousIntegrationPlugin
 apply plugin: com.google.firebase.gradle.plugins.ci.SmokeTestsPlugin
 apply plugin: com.google.firebase.gradle.plugins.ci.metrics.MetricsPlugin
-apply plugin: com.google.firebase.gradle.plugins.measurement.coverage.CheckCoveragePlugin
+apply plugin: com.google.firebase.gradle.plugins.ci.CheckCoveragePlugin
 
 firebaseContinuousIntegration {
     ignorePaths = [

tools/measurement/apksize/src/base/base.gradle renamed to apk-size/app/src/base/base.gradle

@@ -12,7 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-package com.google.firebase.gradle.plugins.measurement.coverage
+package com.google.firebase.gradle.plugins.ci
 
 import com.google.firebase.gradle.plugins.FirebaseLibraryExtension
 import com.google.firebase.gradle.plugins.FirebaseLibraryPlugin