[automerger skipped] audio: Fix the comment about threading of...

[automerger skipped] audio: Fix the comment about threading of DriverInterface::init am: ac3635ef -s ours am: 61f47918 -s ours

am skip reason: Merged-In I8937506d20ff8233b4b934c421173ce2bec9d43e with SHA-1 37551347 is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/hardware/interfaces/+/23374396



Change-Id: I1124df4c80f7e2d1cb0b8c98ab67f99788b88f91
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>