CTS test to verify fix for aggressive SkImageFilter caching

Added test to RenderNodeTests to verify that a child view
that is invalidated will re-generate an SkImage with the
SkImageFilter applied to the updated ViewGroup

Bug: 199242895
Test: this
Change-Id: I8ea7812644fdbbc1564550c9e23db2c41ebe9a49
1 file changed