Add support for scaling textures in AndroidVideoCapturer.

talk/app/webrtc/androidtests/src/org/webrtc/VideoCapturerAndroidTest.java

 /*
  * libjingle
  * Copyright 2015 Google Inc.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are met:
  *
  *  1. Redistributions of source code must retain the above copyright notice,
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  *  2. Redistributions in binary form must reproduce the above copyright notice,
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   @MediumTest
   // This test that CameraEventsHandler.onError is triggered if video buffers are not returned to
   // the capturer.
   public void testCameraErrorEventOnBufferStarvation() throws InterruptedException {
     VideoCapturerAndroidTestFixtures.CameraEvents cameraEvents =
         VideoCapturerAndroidTestFixtures.createCameraEvents();
     VideoCapturerAndroid capturer = VideoCapturerAndroid.create("", cameraEvents);
     VideoCapturerAndroidTestFixtures.cameraErrorEventOnBufferStarvation(capturer,
         cameraEvents, getInstrumentation().getContext());
   }
+
+  @MediumTest
+  // This test that frames forwarded to a renderer is scaled if onOutputFormatRequest is
+  // called. This test both Java and C++ parts of of the stack.
+  public void testScaleCameraOutput() throws InterruptedException {
+    VideoCapturerAndroid capturer = VideoCapturerAndroid.create("", null);
+    VideoCapturerAndroidTestFixtures.scaleCameraOutput(capturer);
+  }
+
+  @MediumTest
+  // This test that frames forwarded to a renderer is scaled if onOutputFormatRequest is
+  // called. This test both Java and C++ parts of of the stack.
+  public void testScaleCameraOutputUsingTextures() throws InterruptedException {
+    VideoCapturerAndroid capturer = VideoCapturerAndroid.create("", null, EGL10.EGL_NO_CONTEXT);
+    VideoCapturerAndroidTestFixtures.scaleCameraOutput(capturer);
+  }
 }