Auto regenerate buildtime in gen_android_bp am: 8da3704b1d

Original change: https://android-review.googlesource.com/c/platform/external/cronet/+/3022284

Change-Id: Id71a0be62752cf4298f3e8026e87c7a7e922669c
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>