Android video rendering: Fix texture matrix multiplication order

BUG=webrtc:4968, webrtc:4742
R=hbos@webrtc.org, pbos@webrtc.org

Review URL: https://codereview.webrtc.org/1314163008 .

Cr-Commit-Position: refs/heads/master@{#9909}
diff --git a/talk/app/webrtc/java/android/org/webrtc/RendererCommon.java b/talk/app/webrtc/java/android/org/webrtc/RendererCommon.java
index 44b6415..5195044 100644
--- a/talk/app/webrtc/java/android/org/webrtc/RendererCommon.java
+++ b/talk/app/webrtc/java/android/org/webrtc/RendererCommon.java
@@ -86,11 +86,11 @@
     }
     // Clockwise rotation matrix in the XY-plane (around the Z-axis).
     final float[] rotationMatrix = new float[16];
-    Matrix.setRotateM(rotationMatrix, 0, -rotationDegree, 0, 0, 1);
+    Matrix.setRotateM(rotationMatrix, 0, rotationDegree, 0, 0, 1);
     adjustOrigin(rotationMatrix);
     // Multiply matrices together.
     final float[] tmpMatrix = new float[16];
-    Matrix.multiplyMM(tmpMatrix, 0, rotationMatrix, 0, samplingMatrix, 0);
+    Matrix.multiplyMM(tmpMatrix, 0, samplingMatrix, 0, rotationMatrix, 0);
     return tmpMatrix;
   }