am e8652c3c: Merge "Now we support both x86 and x86_64 HOST_ARCH."

* commit 'e8652c3ca2ffee8bc8d8302bb36121d736fc815d':
  Now we support both x86 and x86_64 HOST_ARCH.
tree: fe69d2c2ba15b5d4f1e7e75d3c82c6e766eadaa8
  1. perf-3.12.0/
  2. Android.mk
  3. CleanSpec.mk