Merge "Nullability check for ftw module" am: 2b26a1e22c

Original change: https://android-review.googlesource.com/c/platform/bionic/+/2454913

Change-Id: I2ab1239dda2a1899a08cf1d09bb9ea55125cb3b4
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>