Merge "tinyalsa: decrease eventfd counter by actual event numbers read" into main am: 1534bc9b7d am: b047927e0a

Original change: https://android-review.googlesource.com/c/platform/external/tinyalsa/+/3039158

Change-Id: I6022e0907275ee9d94b90517f3647f2a3f06a0fd
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>