Enabling FIS network call timeout. (#827)

* Enabling FIS network call timeout.

* Addressing Di's comments

Author: ankitaj224

firebase-installations/src/main/java/com/google/firebase/installations/remote/FirebaseInstallationServiceClient.java

@@ -59,6 +59,8 @@ public class FirebaseInstallationServiceClient {
   private static final String X_ANDROID_PACKAGE_HEADER_KEY = "X-Android-Package";
   private static final String X_ANDROID_CERT_HEADER_KEY = "X-Android-Cert";
 
+  private static final int NETWORK_TIMEOUT_MILLIS = 10000;
+
   private final Context context;
 
   public FirebaseInstallationServiceClient(@NonNull Context context) {
@@ -90,6 +92,8 @@ public InstallationResponse createFirebaseInstallation(
                   apiKey));
 
       HttpsURLConnection httpsURLConnection = (HttpsURLConnection) url.openConnection();
+      httpsURLConnection.setConnectTimeout(NETWORK_TIMEOUT_MILLIS);
+      httpsURLConnection.setReadTimeout(NETWORK_TIMEOUT_MILLIS);
       httpsURLConnection.setDoOutput(true);
       httpsURLConnection.setRequestMethod("POST");
       httpsURLConnection.addRequestProperty(CONTENT_TYPE_HEADER_KEY, JSON_CONTENT_TYPE);
@@ -165,6 +169,8 @@ public void deleteFirebaseInstallation(
                   apiKey));
 
       HttpsURLConnection httpsURLConnection = (HttpsURLConnection) url.openConnection();
+      httpsURLConnection.setConnectTimeout(NETWORK_TIMEOUT_MILLIS);
+      httpsURLConnection.setReadTimeout(NETWORK_TIMEOUT_MILLIS);
       httpsURLConnection.setDoOutput(true);
       httpsURLConnection.setRequestMethod("DELETE");
       httpsURLConnection.addRequestProperty("Authorization", "FIS_v2 " + refreshToken);
@@ -219,6 +225,8 @@ public InstallationTokenResult generateAuthToken(
                   apiKey));
 
       HttpsURLConnection httpsURLConnection = (HttpsURLConnection) url.openConnection();
+      httpsURLConnection.setConnectTimeout(NETWORK_TIMEOUT_MILLIS);
+      httpsURLConnection.setReadTimeout(NETWORK_TIMEOUT_MILLIS);
       httpsURLConnection.setDoOutput(true);
       httpsURLConnection.setRequestMethod("POST");
       httpsURLConnection.addRequestProperty("Authorization", "FIS_v2 " + refreshToken);