[ANDROID] Move open-dice bindgens and bindgen tests next to wrappers am: a873dcf070 am: 1a9fcc06ea am: 0f007f4f3a am: d8deba8bc7

Original change: https://android-review.googlesource.com/c/platform/external/open-dice/+/2439496

Change-Id: I92170c343245a9697bc46654df7aec076620f4a4
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>