Updated Android Dependency of Flatbuffers from 1.9 to 1.12 (#439)

Flatbuffers 1.9 caused compilation errors on the latest XCode command line tools (clang v12) when building for Android. Upgraded flatbuffers dependency from 1.9 => 1.12

Tests: [Android Integration Test Run](https://github.com/firebase/firebase-cpp-sdk/actions/runs/994238075)

Author: DellaBitta

Android/firebase_dependencies.gradle

@@ -34,7 +34,7 @@ def firebaseDependenciesMap = [
   'messaging' : ['com.google.firebase:firebase-messaging:22.0.0',
                  'firebase_cpp_sdk.messaging:messaging_java',
                  'androidx.core:core:1.6.0-alpha03',
-                 'com.google.flatbuffers:flatbuffers-java:1.9.0',
+                 'com.google.flatbuffers:flatbuffers-java:1.12.0',
                  'com.google.android.gms:play-services-base:17.6.0'],
   'performance' : ['com.google.firebase:firebase-perf:20.0.1'],
   'remote_config' : ['com.google.firebase:firebase-config:21.0.0',

messaging/messaging_java/build.gradle

@@ -24,7 +24,7 @@ buildscript {
     // that requires using a newer version of the JDK and at least Android N.
     // This has already been fixed at head, but a tagged release is not yet
     // available with that fix.
-    classpath 'com.google.flatbuffers:flatbuffers-java:1.9.0'
+    classpath 'com.google.flatbuffers:flatbuffers-java:1.12.0'
   }
 }
 allprojects {
@@ -57,7 +57,7 @@ android {
 dependencies {
   implementation 'com.google.firebase:firebase-analytics:19.0.0'
   implementation 'com.google.firebase:firebase-messaging:22.0.0'
-  implementation 'com.google.flatbuffers:flatbuffers-java:1.9.0'
+  implementation 'com.google.flatbuffers:flatbuffers-java:1.12.0'
 }
 
 afterEvaluate {
@@ -74,7 +74,7 @@ afterEvaluate {
         executable 'git'
         args 'clone',
              '--branch',
-             'v1.10.0',
+             'v1.12.0',
              '--depth',
              '1',
              'https://github.com/google/flatbuffers.git',

release_build_files/Android/firebase_dependencies.gradle

@@ -34,7 +34,7 @@ def firebaseDependenciesMap = [
   'messaging' : ['com.google.firebase:firebase-messaging:22.0.0',
                  'com.google.firebase.messaging.cpp:firebase_messaging_cpp@aar',
                  'androidx.core:core:1.6.0-alpha03',
-                 'com.google.flatbuffers:flatbuffers-java:1.9.0',
+                 'com.google.flatbuffers:flatbuffers-java:1.12.0',
                  'com.google.android.gms:play-services-base:17.6.0'],
   'performance' : ['com.google.firebase:firebase-perf:20.0.1'],
   'remote_config' : ['com.google.firebase:firebase-config:21.0.0',

release_build_files/readme.md

@@ -567,6 +567,11 @@ code.
 
 ## Release Notes
 
+### 8.2.0
+-   Changes
+    -   General (Android): Updated Flatbuffers internal dependency from version
+        1.9 to 1.12.
+
 ### 8.1.0
 -   Changes
     -   Firestore: Fixed a linker error when `DocumentChange::npos` was used.

testing/build.gradle

@@ -20,11 +20,7 @@ buildscript {
   dependencies {
     classpath 'com.android.tools.build:gradle:3.3.3'
     classpath 'com.google.gms:google-services:4.2.0'
-    // This uses Flatbuffers at 1.9 because the 1.10 version added a feature
-    // that requires using a newer version of the JDK and at least Android N.
-    // This has already been fixed at head, but a tagged release is not yet
-    // available with that fix.
-    classpath 'com.google.flatbuffers:flatbuffers-java:1.9.0'
+    classpath 'com.google.flatbuffers:flatbuffers-java:1.12.0'
   }
 }
 
@@ -71,7 +67,7 @@ android {
 }
 
 dependencies {
-  implementation 'com.google.flatbuffers:flatbuffers-java:1.9.0'
+  implementation 'com.google.flatbuffers:flatbuffers-java:1.12.0'
 }
 
 afterEvaluate { project ->