Merge "Retire libqemu_pipe from libreference-ril" am: 3438d03c30 am: debcd7526f am: 3936861a84

Original change: https://android-review.googlesource.com/c/platform/hardware/ril/+/1554914

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I8ea47c7628241fae5b93769914f8eff5fe4d869d