Reorganize exoplayer target names am: d3b61fb60f am: 5a05d17348

Original change: https://googleplex-android-review.googlesource.com/c/platform/external/exoplayer/+/17526703

Change-Id: I411e9413a2ea391a9314b8792b2907ff448cc5de
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>