Add google_atd system images at API 31, 32, 33 to android-sdk-packager.

"sdkmanager --list | grep google_atd" shows the google_atd images at
these API levels have been pushed to stable.

Bug: 1481246
Change-Id: I98aa1aeedae64fdd35b313947565d553a5fb0064
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/4906302
Commit-Queue: Andrew Grieve <agrieve@chromium.org>
Auto-Submit: Haiyang Pan <hypan@google.com>
Reviewed-by: Andrew Grieve <agrieve@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1203570}
NOKEYCHECK=True
GitOrigin-RevId: b65e3e4b21174e028ac1a08f8aa3a7ab46379d79