Merge "Move pcm_prepare closer to pcm_open" am: c402215f92

Original change: https://android-review.googlesource.com/c/device/generic/goldfish/+/2185997

Change-Id: I2979510f99f9ac0353bb3405c96fd43cd0c7bbff
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>