Tweak linux_glibc properties for musl builds in external/python/cpython2 am: fc6603babf am: 5796352143

Original change: https://android-review.googlesource.com/c/platform/external/python/cpython2/+/2019538

Change-Id: Icce6090b08352b89bde188aeb4a0d5a919130e58