Merge "Only enable zucchini if configuration file exists" am: 7b53ae67 am:...

Merge "Only enable zucchini if configuration file exists" am: 7b53ae67 am: 73590ef0 am: 69c7308f

Original change: https://android-review.googlesource.com/c/platform/build/+/2085423



Change-Id: Ibbf3dd40ff97ea88cf1478cb005fdaa93dcf3c57
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>