am b2df1699: Merge change 1548 into donut

Merge commit 'b2df1699c996e62baa78877978cd2c5607ea4194'

* commit 'b2df1699c996e62baa78877978cd2c5607ea4194':
  NJ-1409: (frameworks/base) Support new audio encoding types(AMR and AAC).