Revert "[Android] Allow XWalkView to use TextureView as backend for animation"

This reverts commit e8f42a8331f512b0b2d60a805788521fd57d00b5 since it
might break the tests on buildbots.
Revert "[Android] Add sample code for animatable XWalkView usage"

This reverts commit 29f0f5e3685f5f1b443fb7a07b151be5d1dde52a since it
might break the tests on buildbots.
Merge pull request #1975 from hmin/revert-textureview

Revert textureview