Merge "Have slang emit a warning on renderscript deprecation." am: 2326fcb8e4 am: c18239d6f4 am: ff27f0b69b am: fc49da6872

Original change: https://android-review.googlesource.com/c/platform/frameworks/compile/slang/+/1685186

Change-Id: Ifb528aa404e988c1b719cc6c2ea45762f3c014d8