Adding initial implementation of Prediction client/service API

Test: Build sample app, ensure that app prediction service gets client
      requests
Bug: 111701043
Change-Id: I33aceb2de31552b2d740dc333559d68728753e40
Signed-off-by: Winson Chung <winsonc@google.com>
diff --git a/packages/Shell/AndroidManifest.xml b/packages/Shell/AndroidManifest.xml
index bff2c84..562d44d 100644
--- a/packages/Shell/AndroidManifest.xml
+++ b/packages/Shell/AndroidManifest.xml
@@ -134,6 +134,7 @@
     <uses-permission android:name="android.permission.CHANGE_COMPONENT_ENABLED_STATE" />
     <uses-permission android:name="android.permission.MANAGE_AUTO_FILL" />
     <uses-permission android:name="android.permission.MANAGE_CONTENT_CAPTURE" />
+    <uses-permission android:name="android.permission.MANAGE_APP_PREDICTIONS" />
     <uses-permission android:name="android.permission.NETWORK_SETTINGS" />
     <uses-permission android:name="android.permission.CHANGE_WIFI_STATE" />
     <uses-permission android:name="android.permission.SET_TIME" />