Fix distortions of remote stream with odd size dimensions

BUG=webrtc:4482

Review URL: https://codereview.webrtc.org/1280483003

Cr-Commit-Position: refs/heads/master@{#9702}

talk/app/webrtc/java/android/org/webrtc/VideoRendererGui.java

@@ -546,6 +546,7 @@ public class VideoRendererGui implements GLSurfaceView.Renderer {
       onSurfaceCreatedCalled = true;
     }
     GlUtil.checkNoGLES2Error("onSurfaceCreated done");
+    GLES20.glPixelStorei(GLES20.GL_UNPACK_ALIGNMENT, 1);
     GLES20.glClearColor(0.15f, 0.15f, 0.15f, 1.0f);
 
     // Fire EGL context ready event.