Merge "Allow and merge multiple release configs with the same name" am:...

Merge "Allow and merge multiple release configs with the same name" am: ac57d98b am: caee07b9 am: 6f23f126

Original change: https://android-review.googlesource.com/c/platform/build/+/2622584



Change-Id: If75b68308bfe08717d616345c0c882e812ad7b99
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>