Cherry-pick "Refactor Regexp.prototype" am: 780b5e3420 am: fd88a6d57e am: 40be1f0a48 am: 8419031c72 am: 3157132735 am: 96c75dc8d8

Change-Id: Ib30a498c30b8bf8637a3aef49f22457b550dbe22
tree: fe51293053ab8126dc79b35f5f1c9406c5eb7158
  1. includes/
  2. src/
  3. test/
  4. Android.bp
  5. libpac.map.txt
  6. LICENSE
  7. OWNERS
  8. README