Merge "Remove unused alpha05 files" into main am: 80b25293a3 am: 4a37e1e23b

Original change: https://android-review.googlesource.com/c/platform/prebuilts/gradle-plugin/+/2760973

Change-Id: I61ef8ca6caca74bb9bdf46ccc3eab2a687e7e91e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>