Reorganize exoplayer target names

Note on Merged-In: The media apex was moved to

Bug: 223572414
Change-Id: Ie15e13c7a310e2cdc7c8c8cffba0c2e0561e3221
Merged-In: Ice516a0ab0819c4a076c394c05be1643461d4309
Test: m
1 file changed