Add a GN file to create the PartnerBrowserCustomizationsExample apk.

Bug: 985905

Change-Id: I65cb5cc35a8f4f61322e14cda76e63ee34ed7a48
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2128932
Commit-Queue: Ted Choc <tedchoc@chromium.org>
Reviewed-by: Wei-Yin Chen (陳威尹) <wychen@chromium.org>
Reviewed-by: Andrew Grieve <agrieve@chromium.org>
Cr-Commit-Position: refs/heads/master@{#755051}

BUILD.gn

@@ -383,6 +383,7 @@ group("gn_all") {
         "//chrome/android:chrome_junit_tests",
         "//chrome/android:chrome_public_apk",
         "//chrome/android:chrome_public_test_apk",
+        "//chrome/android/examples/partner_browser_customizations_provider:partner_browser_customizations_example_apk",
         "//chrome/android/features/media_router:media_router_junit_tests",
         "//chrome/test/chromedriver/test/webview_shell:chromedriver_webview_shell_apk",
         "//content/shell/android:content_shell_test_apk",

chrome/android/examples/partner_browser_customizations_provider/AndroidManifest.xml

@@ -5,14 +5,16 @@
 
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
         package="org.chromium.example.partnercustomizations">
-    <uses-sdk android:minSdkVersion="14" android:targetSdkVersion="14" />
+    <uses-sdk android:minSdkVersion="21" android:targetSdkVersion="21" />
     <application>
         <!-- Provider for partner bookmarks. android:authorities must not be changed. -->
         <provider android:name="PartnerBookmarksProviderExample"
-            android:authorities="com.android.partnerbookmarks" />
+            android:authorities="com.android.partnerbookmarks"
+            android:exported="true" />
 
         <!-- Provider for other partner customizations. android:authorities must not be changed. -->
         <provider android:name="PartnerBrowserCustomizationsProviderExample"
-            android:authorities="com.android.partnerbrowsercustomizations" />
+            android:authorities="com.android.partnerbrowsercustomizations"
+            android:exported="true" />
     </application>
 </manifest>

chrome/android/examples/partner_browser_customizations_provider/BUILD.gn

+# Copyright 2020 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.
+
+import("//build/config/android/rules.gni")
+
+android_resources("partner_browser_customizations_example_apk_resources") {
+  resource_dirs = [ "res" ]
+  android_manifest = "AndroidManifest.xml"
+  custom_package = "org.chromium.example.partnercustomizations"
+}
+
+android_apk("partner_browser_customizations_example_apk") {
+  skip_jetify = true
+  sources = [
+    "src/org/chromium/example/partnercustomizations/PartnerBookmarksProviderExample.java",
+    "src/org/chromium/example/partnercustomizations/PartnerBrowserCustomizationsProviderExample.java",
+  ]
+  android_manifest = "AndroidManifest.xml"
+  min_sdk_version = 21
+  target_sdk_version = 21
+  apk_name = "PartnerCustomizationProviderExample"
+  deps = [ ":partner_browser_customizations_example_apk_resources" ]
+  chromium_code = false
+  never_incremental = true
+}

chrome/android/examples/partner_browser_customizations_provider/README

@@ -14,6 +14,9 @@ disable bookmark editing.
     adb remount
 
 * Build an example customizations content provider APK.
+  * autoninja -C $CHROMIUM_OUTPUT_DIR partner_browser_customizations_example_apk
+
+* [LEGACY non-GN] Build an example customizations content provider APK.
   * Rollback the SDK version before 25.3.0
     cd src/third_party/android_tools
     git checkout b65c4776d
@@ -25,6 +28,9 @@ disable bookmark editing.
 * Install the compiled APK.
 
 adb shell mkdir -p /system/app
+adb push $CHROMIUM_OUTPUT_DIR/apks/PartnerCustomizationProviderExample.apk /system/app/ChromeCustomizations.apk
+
+[LEGACY non-GN]
 adb push bin/PartnerCustomizationProviderExample-debug.apk /system/app/ChromeCustomizations.apk
 
 * If you want partner bookmarks to work, delete or rename the preinstalled