Add new Camera2Enumerator.isSupported with Context parameter.

webrtc/examples/androidtests/src/org/appspot/apprtc/test/PeerConnectionClientTest.java

 /*
  *  Copyright 2014 The WebRTC Project Authors. All rights reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 273 matching lines @@
             false /* useOpenSLES */,
             false /* disableBuiltInAEC */,
             false /* disableBuiltInAGC */,
             false /* disableBuiltInNS */,
             false /* enableLevelControl */);
     return peerConnectionParameters;
   }
 
   private PeerConnectionParameters createParametersForVideoCall(
       String videoCodec, boolean captureToTexture) {
-    final boolean useCamera2 = captureToTexture && Camera2Enumerator.isSupported();
+    final boolean useCamera2 = captureToTexture
+        && Camera2Enumerator.isSupported(getInstrumentation().getTargetContext());
 
     PeerConnectionParameters peerConnectionParameters =
         new PeerConnectionParameters(
             true, /* videoCallEnabled */
             true, /* loopback */
             false, /* tracing */
             // Video codec parameters.
             useCamera2, /* useCamera2 */
             0, /* videoWidth */
             0, /* videoHeight */
@@ skipping 360 matching lines @@
       assertTrue("Remote video frames were not rendered after capture format change.",
           remoteRenderer.waitForFramesRendered(WAIT_TIMEOUT));
     }
 
     pcClient.close();
     assertTrue(waitForPeerConnectionClosed(WAIT_TIMEOUT));
     Log.d(TAG, "testCaptureFormatChange done.");
   }
 
 }