Update felix SVN to 31 am: 55b74d41e9

Original change: https://googleplex-android-review.googlesource.com/c/device/google/felix/+/25293153

Change-Id: Ic0969e706d861cc474c41220068a8b9a841ca44f
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>