Update barbet SVN to 52 am: 7204af45b4

Original change: https://googleplex-android-review.googlesource.com/c/device/google/barbet/+/25491429

Change-Id: Ifb50394104cf1958042ef03d6d0e0f4bb6289022
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>