Merge "Make usage of revocable fds for reads configurable." into rvc-dev am: 14849cfbd4 am: b527126721 am: e6fb490da2

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/11921569

Change-Id: Icff2fbde8aa765ccaf9544587da4bb0b21c467d6