RenderScript VTS implementation

Contains the gtest for the vts-hidl-hal test. The goal is to have
1 test case for each HIDL HAL entry by 3/15/17. There are still a few
tests with bugs, so they have been commented out and will be fixed by
3/17/17.

Bug: 34396220
Bug: 35915961

Test: mm and run on angler
Change-Id: I20462432a42e3aa307b98e728f30f20f5aa1e921