Remove references to the pdk product variable am: e1780be8cc am: abe2e5820b am: fbda8ab799 am: df396de26b

Original change: https://android-review.googlesource.com/c/platform/packages/apps/Car/Notification/+/2693267

Change-Id: I82d00db833469e48d9bb44a4bb6a3cae6c55592f
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>