Fix android:tint attribute for Vector Drawable

The clip bounds of given Canvas is same as the size of
Vector Drawable, which makes the pixelize happen. Use
original size of Canvas for temporary buffer can avoid
this issue.

Test: Added and passed the new test cases in RenderTests.
Fixes: 63692596
Change-Id: Id66a4dcab3e141946d0d37bdff9c6f75aff968a0