Merge "bionic: libc: avoid -Wdeprecated-declarations via std::atomic_init" into main am: ff6b0e2dc9 am: 7793b47b50

Original change: https://android-review.googlesource.com/c/platform/bionic/+/3363146

Change-Id: Id4b22fc8e79e3e747f3c1e6a3928871dc8d4bfdd
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>