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

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

Change-Id: Ib4fd9628697ad4116d73c91f48bfa605f5ea2fd5