Add check for JAVA 9

Currently Gradle cannot work with JAVA 9, so detect if it has been used and break the build for Android. Also the check will print warning when `tns doctor` is called.
Also update submodule, where the following change is applied:

Fix detection of Javac version

The command `javac -version` prints result to stderr when JAVA 8 is used and to stdout when JAVA 9 is used. Current check in CLI uses the stderr output, so when JAVA 9 is installed it fails to detect the correct version.
In order to support both JAVA 8 and JAVA 9, capture both stdout and stderr and get the version from there.
Also remove unneeded check for Java version - we care about JAVA Compiler, which is included in JDK.

Author: rosen-vladimirov

lib/android-tools-info.ts

@@ -10,6 +10,7 @@ export class AndroidToolsInfo implements IAndroidToolsInfo {
 	private static REQUIRED_BUILD_TOOLS_RANGE_PREFIX = ">=23";
 	private static VERSION_REGEX = /((\d+\.){2}\d+)/;
 	private static MIN_JAVA_VERSION = "1.8.0";
+	private static MAX_JAVA_VERSION = "1.9.0";
 
 	private showWarningsAsErrors: boolean;
 	private toolsInfo: IAndroidToolsInfoData;
@@ -111,10 +112,14 @@ export class AndroidToolsInfo implements IAndroidToolsInfo {
 			+ "To be able to build for Android, verify that you have installed The Java Development Kit (JDK) and configured it according to system requirements as" + EOL +
 			" described in " + this.$staticConfig.SYS_REQUIREMENTS_LINK;
 		const matchingVersion = (installedJavaVersion || "").match(AndroidToolsInfo.VERSION_REGEX);
-		if (matchingVersion && matchingVersion[1]) {
-			if (semver.lt(matchingVersion[1], AndroidToolsInfo.MIN_JAVA_VERSION)) {
+		const installedJavaCompilerVersion = matchingVersion && matchingVersion[1];
+		if (installedJavaCompilerVersion) {
+			if (semver.lt(installedJavaCompilerVersion, AndroidToolsInfo.MIN_JAVA_VERSION)) {
 				hasProblemWithJavaVersion = true;
 				this.printMessage(`Javac version ${installedJavaVersion} is not supported. You have to install at least ${AndroidToolsInfo.MIN_JAVA_VERSION}.`, additionalMessage);
+			} else if (semver.gt(installedJavaCompilerVersion, AndroidToolsInfo.MAX_JAVA_VERSION)) {
+				hasProblemWithJavaVersion = true;
+				this.printMessage(`Javac version ${installedJavaVersion} is not supported. You have to install version ${AndroidToolsInfo.MIN_JAVA_VERSION}.`, additionalMessage);
 			}
 		} else {
 			hasProblemWithJavaVersion = true;

lib/common

@@ -104,9 +104,9 @@ class DoctorService implements IDoctorService {
 		}
 
 		const androidToolsIssues = this.$androidToolsInfo.validateInfo();
-		const javaVersionIssue = await this.$androidToolsInfo.validateJavacVersion(sysInfo.javacVersion);
+		const javaCompilerVersionIssue = await this.$androidToolsInfo.validateJavacVersion(sysInfo.javacVersion);
 		const pythonIssues = await this.validatePythonPackages();
-		const doctorResult = result || androidToolsIssues || javaVersionIssue || pythonIssues;
+		const doctorResult = result || androidToolsIssues || javaCompilerVersionIssue || pythonIssues;
 
 		if (!configOptions || configOptions.trackResult) {
 			await this.$analyticsService.track("DoctorEnvironmentSetup", doctorResult ? "incorrect" : "correct");