Fix bugs in sl4a bluetooth connection APIs.

Restructure receivers in connection facade.
Fix a name in media player facade.

Merging kwd commit 9c02e91c1fed90f743eda49dff5c7263a76c1a49
Change-Id: Ibd00c2df6311efd075a2e38fd71e2ad4a18b90cf
5 files changed