Avoid symlink of simpleperf.

Add simpleperf/Android.bp.
Move libperfprofd_elf_read to libsimpleperf_elf_read.
Remove perfprofd/simpleperf.

Bug: http://b/72403367
Test: build.
Change-Id: I6525b19a94ddca1b935ad5c46a07cfa474471003
4 files changed