am e92fdd26: am e7b92d7b: Merge "Return immutable copies of private callList." into gingerbread

Merge commit 'e92fdd261eed516a8821675ceca971d1c90d772b'

* commit 'e92fdd261eed516a8821675ceca971d1c90d772b':
  Return immutable copies of private callList.