Update MediaProvider's ExoPlayer version am: 59a66c7a01

Original change: https://googleplex-android-review.googlesource.com/c/platform/external/exoplayer/+/17757973

Change-Id: I8fddd25f97312ff4fff13b65cadc9f591a00c860
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>