Update Android TZDB from 2020d to 2020f. am: b85cbdff44 am: c7c0cd736e am: 0df447df7f

Original change: https://android-review.googlesource.com/c/platform/system/timezone/+/1544289

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I574c605a7550dc75e036743702e53de418310602