Merge "Add accessor function for bool product variables." into main am: 9390fb85

Original change: https://android-review.googlesource.com/c/platform/build/soong/+/2857545



Change-Id: Iebb94241b9f127458b28f7fed4e9a2c8e912a9f4
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>