[Cronet] Add gradle test for Cronet fallback Maven module

Also add missing dependency for fallback impl.

Cq-Include-Trybots: master.tryserver.chromium.android:android_cronet_tester
Change-Id: I8c568bb1bc10cb0aac3df0588e93840bcb05b2bf
Reviewed-on: https://chromium-review.googlesource.com/1047370Reviewed-by: Andrei Kapishnikov <kapishnikov@chromium.org>
Commit-Queue: Paul Jensen <pauljensen@chromium.org>
Cr-Commit-Position: refs/heads/master@{#556477}

components/cronet/android/BUILD.gn

@@ -1609,13 +1609,22 @@ copy("cronet_maven_test_copy") {
   ]
 }
 
-process_version("cronet_maven_build_copy") {
-  template_file = "maven/test/build.gradle.template"
+process_version("cronet_maven_build_embedded_copy") {
+  template_file = "maven/test/build_embedded.gradle.template"
   sources = [
     "//build/util/LASTCHANGE",
     "//chrome/VERSION",
   ]
-  output = "$_maven_test_dir/app/build.gradle"
+  output = "$_maven_test_dir/test_embedded/build.gradle"
+}
+
+process_version("cronet_maven_build_fallback_copy") {
+  template_file = "maven/test/build_fallback.gradle.template"
+  sources = [
+    "//build/util/LASTCHANGE",
+    "//chrome/VERSION",
+  ]
+  output = "$_maven_test_dir/test_fallback/build.gradle"
 }
 
 if (use_platform_icu_alternatives) {
@@ -1623,10 +1632,9 @@ if (use_platform_icu_alternatives) {
     script = "maven/test/build_with_gradle.py"
     depfile = "$target_gen_dir/$target_name.d"
     deps = [
-      ":cronet_maven_api_module",
-      ":cronet_maven_build_copy",
-      ":cronet_maven_impl_common_module",
-      ":cronet_maven_impl_native_module",
+      ":cronet_maven_build_embedded_copy",
+      ":cronet_maven_build_fallback_copy",
+      ":cronet_maven_modules",
       ":cronet_maven_test_copy",
 
       # These deps ensure all source files of the sample app are deps.

components/cronet/android/maven/cronet-fallback.pom.template

@@ -12,6 +12,11 @@
       <artifactId>cronet-common</artifactId>
       <version>${project.version}</version>
     </dependency>
+    <dependency>
+      <groupId>com.google.code.findbugs</groupId>
+      <artifactId>jsr305</artifactId>
+      <version>3.0.1</version>
+    </dependency>
   </dependencies>
   <licenses>
     <license>

components/cronet/android/maven/settings.gradle

-include ':app'
+include ':test_embedded'
+include ':test_fallback'

components/cronet/android/maven/test/build_fallback.gradle.template

+apply plugin: 'com.android.application'
+
+android {
+    compileSdkVersion 26
+
+    def cronet_dir = "../../../../../../components/cronet/android"
+
+    buildTypes {
+        release {
+            minifyEnabled true
+            testProguardFiles "$cronet_dir/maven/test/proguard.cfg"
+        }
+        debug {
+            minifyEnabled true
+            testProguardFiles "$cronet_dir/maven/test/proguard.cfg"
+        }
+    }
+
+    // Cronet jars contain Java 8 bytecodes.
+    compileOptions {
+        sourceCompatibility 1.8
+        targetCompatibility 1.8
+    }
+
+    defaultConfig {
+        applicationId "org.chromium.cronet_sample_apk"
+        minSdkVersion 16
+        targetSdkVersion 23
+        versionCode 1
+        versionName "1.0"
+        testInstrumentationRunner 'android.support.test.runner.AndroidJUnitRunner'
+    }
+
+    sourceSets {
+        main {
+            manifest.srcFile "$cronet_dir/sample/AndroidManifest.xml"
+            java.srcDirs = [ "$cronet_dir/sample/src" ]
+            res.srcDirs = [ "$cronet_dir/sample/res" ]
+        }
+        androidTest {
+            manifest.srcFile "$cronet_dir/sample/javatests/AndroidManifest.xml"
+            java.srcDirs = [ "$cronet_dir/sample/javatests/src" ]
+        }
+    }
+}
+
+repositories {
+    jcenter()
+    maven {
+        url 'https://maven.google.com'
+    }
+    maven {
+        url '../..'
+    }
+}
+
+dependencies {
+    androidTestImplementation 'com.android.support.test:runner:1.0.1'
+    androidTestImplementation 'com.android.support.test:rules:1.0.1'
+    implementation 'com.android.support:appcompat-v7:25.4.0'
+    implementation 'org.chromium.net:cronet-fallback:@MAJOR@.@BUILD@.@PATCH@'
+    androidTestUtil 'com.android.support.test:orchestrator:1.0.1'
+}