Remove final usages of product_vars_providing_rule am: 946d02cb am:...

Remove final usages of product_vars_providing_rule am: 946d02cb am: 918f54b6 am: 0c890f1d am: 75d31c8d

Original change: https://android-review.googlesource.com/c/platform/build/soong/+/2693012



Change-Id: I809c0d2bcdcdc96b7fb9c365e83f919790782e2c
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>