am fb4e1c21: am 25b49734: Merge "Fix issue #8540550: Screenshots should never have transparency" into jb-mr2-dev

* commit 'fb4e1c21eddf07fad7b36ac5e19dd2d479e71c5c':
  Fix issue #8540550: Screenshots should never have transparency
diff --git a/services/java/com/android/server/wm/WindowManagerService.java b/services/java/com/android/server/wm/WindowManagerService.java
index a16a8e6..a5df7d9 100644
--- a/services/java/com/android/server/wm/WindowManagerService.java
+++ b/services/java/com/android/server/wm/WindowManagerService.java
@@ -5567,6 +5567,7 @@
         ScreenRotationAnimation.createRotationMatrix(rot, dw, dh, matrix);
         matrix.postTranslate(-FloatMath.ceil(frame.left*scale), -FloatMath.ceil(frame.top*scale));
         Canvas canvas = new Canvas(bm);
+        canvas.drawColor(0xFF000000);
         canvas.drawBitmap(rawss, matrix, null);
         canvas.setBitmap(null);