Add AwVariationsSeedFetchService and refactory VariationsSeedFetcher

android_webview/apk/java/AndroidManifest.xml

Index: android_webview/apk/java/AndroidManifest.xml
diff --git a/android_webview/apk/java/AndroidManifest.xml b/android_webview/apk/java/AndroidManifest.xml
index fd3ca2b367066aeeb8a559e191d365d8402d84e3..8a7f4a0ff3a9c1ff6a66f29ecaddbd0957096176 100644
--- a/android_webview/apk/java/AndroidManifest.xml
+++ b/android_webview/apk/java/AndroidManifest.xml
@@ -38,6 +38,10 @@
             <provider android:name="com.android.webview.chromium.LicenseContentProvider"
                       android:exported="true"
                       android:authorities="{{ manifest_package }}.LicenseContentProvider" />
+                <service android:name="org.chromium.android_webview.AwVariationsSeedFetchService"

[paulmiller, 2017/07/10 18:23:12]

unindent

[paulmiller, 2017/07/10 23:37:40]

Never mind; per the "WebView Service design" email thread, it sounds like this
Service should actually go inside the "donor_package" condition, below.

[yiyuny, 2017/07/11 19:15:18]

Acknowledged.

[yiyuny, 2017/07/11 19:15:18]

Done.

+                         android:permission="android.permission.BIND_JOB_SERVICE"
+                         android:exported="true"
+                         android:process=":variations_service"/>
             {% if donor_package is not defined %}
                 <service android:name="org.chromium.android_webview.crash.CrashReceiverService"
                          android:exported="true"