Merge "Upgrade prebuilts to 30.3.0-alpha08" am: 37cad73020 am: db0c4beda5

Original change: https://android-review.googlesource.com/c/platform/prebuilts/gradle-plugin/+/2065625

Change-Id: I4b201754f245b67873c69a9b6ed584decce4ada2
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>