Merge "Remove obsolete hacks for the fabs() family." am: 81168c00d8

Original change: https://android-review.googlesource.com/c/platform/bionic/+/2328560

Change-Id: Id9b3e842d935d5b369ebdb61b4175f5805d634f1
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>