Add Android Studio project for AppRTCMobile that builds against AAR.

This project can be used for testing the AAR before publishing. Removes
dependency to Chromium from the tests to support Android Studio.

Bug: webrtc:8365
Change-Id: I7568a3f636fd7d478d274b4766f33ab00f28a6f0
Reviewed-on: https://webrtc-review.googlesource.com/7608
Reviewed-by: Magnus Jedvert <magjed@webrtc.org>
Commit-Queue: Sami Kalliomäki <sakal@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#20269}
diff --git a/examples/aarproject/.gitignore b/examples/aarproject/.gitignore
new file mode 100644
index 0000000..bb4d335
--- /dev/null
+++ b/examples/aarproject/.gitignore
@@ -0,0 +1,15 @@
+# Default ignores by Android Studio
+*.iml
+.gradle
+/local.properties
+/.idea/workspace.xml
+/.idea/libraries
+.DS_Store
+/build
+/captures
+.externalNativeBuild
+
+# Additional ignores
+/gradlew
+/gradlew.bat
+/gradle
diff --git a/examples/aarproject/.idea/encodings.xml b/examples/aarproject/.idea/encodings.xml
new file mode 100644
index 0000000..97626ba
--- /dev/null
+++ b/examples/aarproject/.idea/encodings.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="Encoding">
+    <file url="PROJECT" charset="UTF-8" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/examples/aarproject/.idea/gradle.xml b/examples/aarproject/.idea/gradle.xml
new file mode 100644
index 0000000..7ac24c7
--- /dev/null
+++ b/examples/aarproject/.idea/gradle.xml
@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="GradleSettings">
+    <option name="linkedExternalProjectsSettings">
+      <GradleProjectSettings>
+        <option name="distributionType" value="DEFAULT_WRAPPED" />
+        <option name="externalProjectPath" value="$PROJECT_DIR$" />
+        <option name="modules">
+          <set>
+            <option value="$PROJECT_DIR$" />
+            <option value="$PROJECT_DIR$/app" />
+          </set>
+        </option>
+        <option name="resolveModulePerSourceSet" value="false" />
+      </GradleProjectSettings>
+    </option>
+  </component>
+</project>
\ No newline at end of file
diff --git a/examples/aarproject/.idea/misc.xml b/examples/aarproject/.idea/misc.xml
new file mode 100644
index 0000000..635999d
--- /dev/null
+++ b/examples/aarproject/.idea/misc.xml
@@ -0,0 +1,33 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="NullableNotNullManager">
+    <option name="myDefaultNullable" value="android.support.annotation.Nullable" />
+    <option name="myDefaultNotNull" value="android.support.annotation.NonNull" />
+    <option name="myNullables">
+      <value>
+        <list size="4">
+          <item index="0" class="java.lang.String" itemvalue="org.jetbrains.annotations.Nullable" />
+          <item index="1" class="java.lang.String" itemvalue="javax.annotation.Nullable" />
+          <item index="2" class="java.lang.String" itemvalue="edu.umd.cs.findbugs.annotations.Nullable" />
+          <item index="3" class="java.lang.String" itemvalue="android.support.annotation.Nullable" />
+        </list>
+      </value>
+    </option>
+    <option name="myNotNulls">
+      <value>
+        <list size="4">
+          <item index="0" class="java.lang.String" itemvalue="org.jetbrains.annotations.NotNull" />
+          <item index="1" class="java.lang.String" itemvalue="javax.annotation.Nonnull" />
+          <item index="2" class="java.lang.String" itemvalue="edu.umd.cs.findbugs.annotations.NonNull" />
+          <item index="3" class="java.lang.String" itemvalue="android.support.annotation.NonNull" />
+        </list>
+      </value>
+    </option>
+  </component>
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_8" default="true" project-jdk-name="1.8" project-jdk-type="JavaSDK">
+    <output url="file://$PROJECT_DIR$/build/classes" />
+  </component>
+  <component name="ProjectType">
+    <option name="id" value="Android" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/examples/aarproject/.idea/modules.xml b/examples/aarproject/.idea/modules.xml
new file mode 100644
index 0000000..74cd28b
--- /dev/null
+++ b/examples/aarproject/.idea/modules.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/aarproject.iml" filepath="$PROJECT_DIR$/aarproject.iml" />
+      <module fileurl="file://$PROJECT_DIR$/app/app.iml" filepath="$PROJECT_DIR$/app/app.iml" />
+    </modules>
+  </component>
+</project>
\ No newline at end of file
diff --git a/examples/aarproject/.idea/runConfigurations.xml b/examples/aarproject/.idea/runConfigurations.xml
new file mode 100644
index 0000000..7f68460
--- /dev/null
+++ b/examples/aarproject/.idea/runConfigurations.xml
@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="RunConfigurationProducerService">
+    <option name="ignoredProducers">
+      <set>
+        <option value="org.jetbrains.plugins.gradle.execution.test.runner.AllInPackageGradleConfigurationProducer" />
+        <option value="org.jetbrains.plugins.gradle.execution.test.runner.TestClassGradleConfigurationProducer" />
+        <option value="org.jetbrains.plugins.gradle.execution.test.runner.TestMethodGradleConfigurationProducer" />
+      </set>
+    </option>
+  </component>
+</project>
\ No newline at end of file
diff --git a/examples/aarproject/app/.gitignore b/examples/aarproject/app/.gitignore
new file mode 100644
index 0000000..796b96d
--- /dev/null
+++ b/examples/aarproject/app/.gitignore
@@ -0,0 +1 @@
+/build
diff --git a/examples/aarproject/app/build.gradle b/examples/aarproject/app/build.gradle
new file mode 100644
index 0000000..2d10aca
--- /dev/null
+++ b/examples/aarproject/app/build.gradle
@@ -0,0 +1,53 @@
+apply plugin: 'com.android.application'
+
+android {
+    compileSdkVersion 26
+    buildToolsVersion "26.0.1"
+    defaultConfig {
+        applicationId "org.appspot.apprtc"
+        minSdkVersion 16
+        targetSdkVersion 21
+        versionCode 1
+        versionName "1.0"
+        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
+    }
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
+        }
+    }
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_8
+        targetCompatibility JavaVersion.VERSION_1_8
+    }
+    sourceSets {
+        main {
+            manifest.srcFile "../../androidapp/AndroidManifest.xml"
+            java.srcDirs = [
+                    "../../androidapp/src"
+            ]
+            res.srcDirs = [
+                    "../../androidapp/res"
+            ]
+        }
+        androidTest {
+            manifest.srcFile "../../androidtests/AndroidManifest.xml"
+            java.srcDirs = [
+                    "../../androidtests/src"
+            ]
+            // This test doesn't work in Android Studio.
+            java.exclude('**/CallActivityStubbedInputOutputTest.java')
+        }
+    }
+}
+
+dependencies {
+    implementation fileTree(dir: 'libs', include: ['*.jar'])
+    implementation fileTree(dir: '../../androidapp/third_party/autobanh/lib', include: ['autobanh.jar'])
+    implementation 'com.android.support:appcompat-v7:26.1.0'
+    implementation 'org.webrtc:google-webrtc:1.0.+'
+    testImplementation 'junit:junit:4.12'
+    androidTestImplementation 'com.android.support.test:runner:1.0.1'
+    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.1'
+}
diff --git a/examples/aarproject/app/proguard-rules.pro b/examples/aarproject/app/proguard-rules.pro
new file mode 100644
index 0000000..d6cc4c5
--- /dev/null
+++ b/examples/aarproject/app/proguard-rules.pro
@@ -0,0 +1,25 @@
+# Add project specific ProGuard rules here.
+# By default, the flags in this file are appended to flags specified
+# in /usr/local/google/home/sakal/Android/Sdk/tools/proguard/proguard-android.txt
+# You can edit the include path and order by changing the proguardFiles
+# directive in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# Add any project specific keep options here:
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile
diff --git a/examples/aarproject/build.gradle b/examples/aarproject/build.gradle
new file mode 100644
index 0000000..5a016ef
--- /dev/null
+++ b/examples/aarproject/build.gradle
@@ -0,0 +1,27 @@
+// Top-level build file where you can add configuration options common to all sub-projects/modules.
+
+buildscript {
+
+    repositories {
+        google()
+        jcenter()
+    }
+    dependencies {
+        classpath 'com.android.tools.build:gradle:3.0.0-beta2'
+
+
+        // NOTE: Do not place your application dependencies here; they belong
+        // in the individual module build.gradle files
+    }
+}
+
+allprojects {
+    repositories {
+        google()
+        jcenter()
+    }
+}
+
+task clean(type: Delete) {
+    delete rootProject.buildDir
+}
diff --git a/examples/aarproject/gradle.properties b/examples/aarproject/gradle.properties
new file mode 100644
index 0000000..aac7c9b
--- /dev/null
+++ b/examples/aarproject/gradle.properties
@@ -0,0 +1,17 @@
+# Project-wide Gradle settings.
+
+# IDE (e.g. Android Studio) users:
+# Gradle settings configured through the IDE *will override*
+# any settings specified in this file.
+
+# For more details on how to configure your build environment visit
+# http://www.gradle.org/docs/current/userguide/build_environment.html
+
+# Specifies the JVM arguments used for the daemon process.
+# The setting is particularly useful for tweaking memory settings.
+org.gradle.jvmargs=-Xmx1536m
+
+# When configured, Gradle will run in incubating parallel mode.
+# This option should only be used with decoupled projects. More details, visit
+# http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
+# org.gradle.parallel=true
diff --git a/examples/aarproject/settings.gradle b/examples/aarproject/settings.gradle
new file mode 100644
index 0000000..e7b4def
--- /dev/null
+++ b/examples/aarproject/settings.gradle
@@ -0,0 +1 @@
+include ':app'