Android: Split up build.gradle.jinja

build/android/gradle/java.jinja

+{# Copyright 2016 The Chromium Authors. All rights reserved. #}
+{# Use of this source code is governed by a BSD-style license that can be #}
+{# found in the LICENSE file. #}
+// Generated by //build/android/generate_gradle.py
+
+apply plugin: "java"
+{% if template_type == 'java_binary' %}
+apply plugin: "application"
+{% endif %}
+
+sourceSets {
+    main {
+        java.srcDirs = [
+{% for path in java_dirs %}
+            "{{ path }}",
+{% endfor %}
+        ]
+    }
+}
+
+sourceCompatibility = JavaVersion.VERSION_1_7
+targetCompatibility = JavaVersion.VERSION_1_7
+
+{% if template_type == 'java_binary' %}
+mainClassName = "{{ main_class }}"
+applicationName = "{{ target_name }}"
+{% endif %}
+{% if template_type in ('java_binary', 'java_library') %}
+archivesBaseName = "{{ target_name }}"
+{% endif %}
+
+{% include 'dependencies.jinja' %}