generate_gradle.py: Add support for junit and java_binary targets

build/android/gradle/build.gradle.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
 {% if template_type == 'root' %}
 
 buildscript {
     repositories {
         jcenter()
     }
     dependencies {
         classpath "com.android.tools.build:gradle:2.2.0"
     }
 }
 
-{% elif template_type == 'java_library' %}
+{% elif template_type in ('java_library', 'java_binary') %}
 
 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 %}
+
 {% else %}
 
-{% if template_type == 'android_library' %}
+{% if template_type in ('android_library', 'android_junit') %}
 apply plugin: "com.android.library"
 {% elif template_type == 'android_apk' %}
 apply plugin: "com.android.application"
 {% endif %}
 
 android {
     compileSdkVersion {{ compile_sdk_version }}
     buildToolsVersion "{{ build_tools_version }}"
     publishNonDefault true
 
     compileOptions {
         sourceCompatibility JavaVersion.VERSION_1_7
         targetCompatibility JavaVersion.VERSION_1_7
     }
 
     sourceSets {
+{% for name in ['main', 'test', 'androidTest', 'debug', 'release'] %}
+        {{ name }} {
+            aidl.srcDirs = []
+            assets.srcDirs = []
+            java.srcDirs = []
+            jni.srcDirs = []
+            renderscript.srcDirs = []
+            res.srcDirs = []
+            resources.srcDirs = []
+        }
+{% endfor %}
+
+        main.manifest.srcFile "{{ android_manifest }}"
+
+{% if template_type == 'android_library' %}
         main {
-            manifest.srcFile "{{ android_manifest }}"
+{% else %}
+        test {
+{% endif %}
             java.srcDirs = [
 {% for path in java_dirs %}
                 "{{ path }}",
 {% endfor %}
             ]
-            resources.srcDirs = []
-            aidl.srcDirs = []
-            renderscript.srcDirs = []
-            res.srcDirs = []
-            assets.srcDirs = []
         }
     }
 }
+
 {% endif %}
 {% if template_type != 'root' %}
 
 dependencies {
 {% for path in prebuilts %}
-    compile files("{{ path }}")
+    {{ depCompileName }} files("{{ path }}")
 {% endfor %}
 {% for proj in java_project_deps %}
-    compile project(":{{ proj }}")
+    {{ depCompileName }} project(":{{ proj }}")
 {% endfor %}
 {% for proj in android_project_deps %}
-    debugCompile project(path: ":{{ proj }}", configuration: "debug")
-    releaseCompile project(path: ":{{ proj }}", configuration: "release")
+    {{ depCompileName }} project(path: ":{{ proj }}", configuration: "debug")
 {% endfor %}
 }
 
+{% if template_type.startswith('android') %}
+android.variantFilter { variant ->
+    if (variant.buildType.name.equals('release')) {
+        variant.setIgnore(true);
+    }
+}
+
 afterEvaluate {
     def tasksToDisable = tasks.findAll {
         return (it.name.equals('generateDebugSources')  // causes unwanted AndroidManifest.java
                 || it.name.equals('generateReleaseSources')
                 || it.name.endsWith('Assets')
                 || it.name.endsWith('BuildConfig')  // causes unwanted BuildConfig.java
 {% if not use_gradle_process_resources %}
                 || it.name.endsWith('Resources')
                 || it.name.endsWith('ResValues')
 {% endif %}
                 || it.name.endsWith('Aidl')
                 || it.name.endsWith('Renderscript')
                 || it.name.endsWith('Shaders'))
     }
     tasksToDisable.each { Task task ->
       task.enabled = false
     }
 }
 
 {% endif %}
+{% endif %}