Cherry-pick "Refactor Regexp.prototype" am: 780b5e3420 am: fd88a6d57e am: 40be1f0a48 am: 8419031c72

Change-Id: I4a57f9116496bf2b555e79270471c52e20ff3019
tree: 2377c537550a7a7c490d7adb887c79d87d2feb87
  1. includes/
  2. src/
  3. test/
  4. Android.bp
  5. libpac.map.txt
  6. LICENSE
  7. OWNERS
  8. README