Clean up mediadrm dependencies

Move various things around so mediadrmserver doesn't need
libstagefright and libmedia

Test: build/boot
Change-Id: I48b713cd679b992cb6ad1262c20394a9892d7027
Merged-In: I48b713cd679b992cb6ad1262c20394a9892d7027
(cherry picked from commit 75571e4bc76bd2defd4309c7154120840396329d)
12 files changed