[automerger skipped] Make exoplayer2-extractor target a java_library am: db559e6dfb -s ours

am skip reason: Merged-In If7a41d8acecb56c50e14eda4887e6223e44443c2 with SHA-1 3a09f971cb is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/external/exoplayer/+/14600858

Change-Id: I3f78d9d414066a664dffd7fe6a6b3a9b5303d01f