Merge "Deallocate offscreen buffer for non-HW-accel draw"

java/src/com/android/inputmethod/keyboard/KeyboardView.java

@@ -605,4 +605,8 @@ public class KeyboardView extends View {
         super.onDetachedFromWindow();
         freeOffscreenBuffer();
     }
+
+    public void deallocateMemory() {
+        freeOffscreenBuffer();
+    }
 }

java/src/com/android/inputmethod/keyboard/MainKeyboardView.java

@@ -1271,7 +1271,9 @@ public final class MainKeyboardView extends KeyboardView implements PointerTrack
         }
     }
 
+    @Override
     public void deallocateMemory() {
+        super.deallocateMemory();
         mGestureTrailsPreview.deallocateMemory();
     }
 }