Get your own cursor Drawables, WebViewClassic!

These are shared resources! You can't just animate *everyone's*
cursors!

This is a hand-merge of Icdc86af4fba427a352019cd3e2017f97a3b9fdba
from jb-dev branch. I'm not sure why it wouldn't automerge, as it
seemed pretty straightforward...

Bug: 7110290
Change-Id: I131a611b9e16699a51d3769658f079c2ae4cf262

Author: Victoria Lease

core/java/android/webkit/WebViewClassic.java

@@ -4594,11 +4594,11 @@ private void endSelectingText() {
     private void ensureSelectionHandles() {
         if (mSelectHandleCenter == null) {
             mSelectHandleCenter = mContext.getResources().getDrawable(
-                    com.android.internal.R.drawable.text_select_handle_middle);
+                    com.android.internal.R.drawable.text_select_handle_middle).mutate();
             mSelectHandleLeft = mContext.getResources().getDrawable(
-                    com.android.internal.R.drawable.text_select_handle_left);
+                    com.android.internal.R.drawable.text_select_handle_left).mutate();
             mSelectHandleRight = mContext.getResources().getDrawable(
-                    com.android.internal.R.drawable.text_select_handle_right);
+                    com.android.internal.R.drawable.text_select_handle_right).mutate();
             // All handles have the same height, so we can save effort with
             // this assumption.
             mSelectOffset = new Point(0,