Remove references to the pdk product variable am: 0f12a7d076 am: 5bf267ad1c am: 9df6e33f3d am: 64f2fce194 am: fce118836a

Original change: https://android-review.googlesource.com/c/platform/packages/apps/Car/LatinIME/+/2693291

Change-Id: Iae4399e1d2cb3e47b4bf22825154dc8e32ce36a8
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>