Merge "Boost process priority during fork." into main am: a6519982

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/2954708



Change-Id: I85e70760b7f15b2e3c4ecef0f9bf71e017783865
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>