Add Android.bp file to compile libc_musl am: 22a72b0423 am: e646802d70 am: 3a0efb72b8

Original change: https://android-review.googlesource.com/c/platform/external/musl/+/1748946

Change-Id: I1e852656e58fe58d18ef2e636e5837a9afd5db54