[automerge] Move stubs to the bottom of Android.bp 2p: 387b06d843

Original change: https://googleplex-android-review.googlesource.com/c/platform/external/exoplayer/+/17379884

Bug: 223572414
Change-Id: I4b443410366e1ec889ae518fb9e56c63cd28367d
Merged-In: Ic2dd920de21ced2b8871ff65235aa8eedb2307e5