Allow replacement of AAR in S3

Author: GregoryComer

.github/workflows/android-release-artifacts.yml

@@ -38,7 +38,6 @@ jobs:
           if curl -I "https://ossci-android.s3.amazonaws.com/executorch/release/${VERSION}-${FLAVOR}/executorch.aar" | grep "200 OK"; then
             echo "AAR already exists at https://ossci-android.s3.amazonaws.com/executorch/release/${VERSION}-${FLAVOR}/executorch.aar"
             echo "Will skip build/upload"
-            exit 1
           fi
 
   build-aar: