[automerger skipped] tzdata: Set min_sdk_version to "30" am: b464807c13 -s ours

am skip reason: Change-Id I9846b24a55dffbbf728f35a9708f8ddd07545b6d with SHA-1 cc7af28f15 is in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/system/timezone/+/13047477

Change-Id: Ibffe7e1409bac075091baafa5e2db162239fe8fc