Merge "Nullability check for select module." am: e2abfb3ddf am: ed3fc73ad1

Original change: https://android-review.googlesource.com/c/platform/bionic/+/2550050

Change-Id: I8166ba0054975173873a1acfd865b0bcd7a3edca
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>