Remove references to the pdk product variable am: e1780be8cc am: abe2e5820b am: fbda8ab799 am: df396de26b am: 0cfa9cfb5b

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

Change-Id: Ibca7338359339e0deefae3970b65097c72020118
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>