Wire up multi-SIM experience (3/4)

Change-Id: Ic8fe987951f57d362b0c2d4e342bddffa506b58f
diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index 2f8fc6f..c80a2d3 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -181,5 +181,13 @@
                 <action android:name="android.intent.action.MAIN" />
             </intent-filter>
         </activity>
+
+        <activity android:name=".PhoneAccountPreferencesActivity"
+                  android:exported="true" >
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+            </intent-filter>
+        </activity>
+
     </application>
 </manifest>