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/ConnectionRequest.java b/telecomm/java/android/telecom/ConnectionRequest.java
index f5cceea..975df5d 100644
--- a/telecomm/java/android/telecom/ConnectionRequest.java
+++ b/telecomm/java/android/telecom/ConnectionRequest.java
@@ -88,10 +88,10 @@
 
     /**
      * Describes the video states supported by the client requesting the connection.
-     * Valid values: {@link VideoProfile.VideoState#AUDIO_ONLY},
-     * {@link VideoProfile.VideoState#BIDIRECTIONAL},
-     * {@link VideoProfile.VideoState#TX_ENABLED},
-     * {@link VideoProfile.VideoState#RX_ENABLED}.
+     * Valid values: {@link VideoProfile#STATE_AUDIO_ONLY},
+     * {@link VideoProfile#STATE_BIDIRECTIONAL},
+     * {@link VideoProfile#STATE_TX_ENABLED},
+     * {@link VideoProfile#STATE_RX_ENABLED}.
      *
      * @return The video state for the connection.
      */