[automerger skipped] Merge "Add API for preparing to disconnect external...

[automerger skipped] Merge "Add API for preparing to disconnect external device." into main am: 8203615c am: 21928195 am: ca667609 -s ours

am skip reason: Merged-In Ic54ce02e8c1494f64ebb90cf8c9e6e34d72ee29e with SHA-1 31520e24 is already in history

Original change: https://android-review.googlesource.com/c/platform/frameworks/av/+/2868764



Change-Id: Ic73872eabf47ba363c4ff6cafb35c1938f4e2ed2
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>