New UX for app usage screen

Now uses ManageApplications base, and has a details screen which has
a switch and a link to optional app settings.

Bug: 20290386
Change-Id: If32ce8d82e55f3908644c575925b3f6506a68e6e
diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index f47ef0d..aec34bc 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -1228,7 +1228,7 @@
                 <category android:name="android.intent.category.DEFAULT" />
             </intent-filter>
             <meta-data android:name="com.android.settings.FRAGMENT_CLASS"
-                android:value="com.android.settings.UsageAccessSettings" />
+                android:value="com.android.settings.applications.ManageApplications" />
             <meta-data android:name="com.android.settings.TOP_LEVEL_HEADER_ID"
                 android:resource="@id/security_settings" />
         </activity>