Add METADATA file am: d2c50b3ae8

Original change: https://android-review.googlesource.com/c/platform/external/sg3_utils/+/2650361

Change-Id: I8ff4d3e02ba54db16353e3bc56858317bbb207be
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>