Merge "Temp skip /product folder during root-hash calculation." into tm-dev...

Merge "Temp skip /product folder during root-hash calculation." into tm-dev am: 253e417e am: 30fa4950 am: 5247605d am: 924af9d2

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/18178156



Change-Id: Id4137760f3e127081cf599a61d2591481ab10928
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>