More video related API fixes

android.telecom.Connection.VideoProvider
* onSetPauseImage takes Uri instead of String
* changeCallDataUsage -> setCallDataUsage
* add quality constants to changeVideoQuality() docs

android.telecom.InCallService.VideoCall
* setPauseImage takes Uri instea dof String

android.telecom.VideoProfile.VideoState
* Move constants to VideoProfile, prefix with STATE_

Bug: 21040387
Bug: 21066505
Change-Id: I764e72aced9d1e2d30d6d0cf0862100860d47c79
diff --git a/telecomm/java/android/telecom/RemoteConnection.java b/telecomm/java/android/telecom/RemoteConnection.java
index f2e6bcb..19bb3f1 100644
--- a/telecomm/java/android/telecom/RemoteConnection.java
+++ b/telecomm/java/android/telecom/RemoteConnection.java
@@ -379,7 +379,7 @@
             }
         }
 
-        public void setPauseImage(String uri) {
+        public void setPauseImage(Uri uri) {
             try {
                 mVideoProviderBinder.setPauseImage(uri);
             } catch (RemoteException e) {