Move all FMQ code to system/libfmq.

All include files are moved into a subdirectory to avoid file name
conflicts.

Bug: 32311713 33295104
Test: built and ran FMQ unit tests and benchmarks

Merged-In: Ica9834c079b05ed3b2720113fc5ed00f36f1cb6a
Change-Id: Ica9834c079b05ed3b2720113fc5ed00f36f1cb6a
11 files changed
tree: 3a152e30fecfb1a737b3a7d5e1b9306637eabda1
  1. benchmarks/
  2. include/
  3. tests/
  4. Android.bp
  5. EventFlag.cpp