Add backup password setting UI

Bug 4901637

Change-Id: I515f1475d3675285a830b4b5ddd1f011f1b56e3a
diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index 5302eb0..4118f32 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -639,6 +639,11 @@
                 android:resource="@id/privacy_settings" />
         </activity>
 
+        <activity android:name="SetFullBackupPassword"
+                android:theme="@android:style/Theme.Holo.DialogWhenLarge"
+                android:exported="false">
+        </activity>
+
         <activity android:name="CredentialStorage"
                 android:theme="@style/Transparent"
                 android:configChanges="orientation|keyboardHidden|screenSize">