Merge "Clarify the <sys/ifunc.h> docs." into main am: 6a6f527dfc am: 6c29ab66c8 am: 708998128e am: c051c9376b am: a1aee26789

Original change: https://android-review.googlesource.com/c/platform/bionic/+/2651113

Change-Id: I2583e1b8c5a69269fd01c7d25460e3e349ed49d8
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>