Revert "Revert "Make Gallery2 use platform RenderScript""

This reverts commit f206f45f0debc6ec4e89cdf2ce620ce7b128aa29.

Change-Id: Ia95b8f83bc8d6677ef31acf95a287557435ac576
(cherry picked from commit c5a49d22a4b4f94eead77fe5f2d14095c12500e8)
12 files changed