[compiler-rt] [sanitizer_common] Drop support for Android 5 (PR #145227)

[Brad Smith via llvm-commits]

brad0 wrote:

> @emrekultursay @DanAlbert fyi
> 
> (it probably doesn't matter much in practice -- not least because devices this old are likely to be 32-bit, and arm32 debugging is pretty comprehensively broken already -- but note that this is slightly ahead of us... we're still working on moving to api 22 [or, more likely 23] as our minimium.)

What is the usual path for removing support altogether? As far as I can find the Play Store and Play Services have not supported 5.x for a year now.

https://github.com/llvm/llvm-project/pull/145227