androidx_with_metalava.sh support to be run from frameworks/support
androidx_with_metalava.sh support to be run from frameworks/support

Bug: 236285949
Test: Run `./busytown/androidx_with_metalava.sh` and see that it doesn't immediately fail to find gradlew

Change-Id: If3270c5d653f585b440408792dd5b1b34b8d024c

androidx/androidx,androidx/androidx,AndroidX/androidx,AndroidX/androidx,androidx/androidx,AndroidX/androidx,androidx/androidx,AndroidX/androidx,AndroidX/androidx,androidx/androidx,AndroidX/androidx,androidx/androidx,androidx/androidx,AndroidX/androidx,AndroidX/androidx,AndroidX/androidx,androidx/androidx,androidx/androidx,AndroidX/androidx,androidx/androidx