Improve outgoing call UI responsiveness

* Add CircularRevealActivity to Dialer manifest

Bug: 18373617
Change-Id: I76e89fe1be628746dfa96c877aedd24abeec7350
diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index 81ae89a..68a9e76 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -272,6 +272,14 @@
                   android:screenOrientation="nosensor" >
         </activity>
 
+        <activity android:name="com.android.incallui.CircularRevealActivity"
+                  android:theme="@style/Theme.CircularRevealAnimation"
+                  android:exported="false"
+                  android:configChanges="keyboardHidden|orientation"
+                  android:noHistory="true"
+                  android:excludeFromRecents="true"
+                  android:screenOrientation="nosensor" />
+
         <!-- BroadcastReceiver for receiving Intents from Notification mechanism. -->
         <receiver android:name="com.android.incallui.InCallApp$NotificationBroadcastReceiver"
                   android:exported="false">