Merge "Add script that dumps all product config varaibles." into main am: 492eea80 am: 05e7851b

Original change: https://android-review.googlesource.com/c/platform/build/+/3247887



Change-Id: I8261148b0351e190799f762615c06b22e624ecc9
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>