Revert "stagefright: Clean up the ifdefs"

This reverts commit 70d6eb941b47e286b7688cbea3f6e56459244d3b.
Revert "stagefright: Conditionally build legacy audio stuff"

This reverts commit 1a8b3a6e31aced3c60b94253e6b59e4b3bd6e99a.
Revert "frameworks/av: Update to caf/kk_2.7_rb1.10"

This reverts commit 03fd1d505e8962de6998b0a8dbbef2020e5bf21b.