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: Idc46d97a320170b51d1d452b02d5c1dfb000f33f