Post commit readiness latch to smbios grpc

Port downstream patch
https://gbmc-private-review.git.corp.google.com/c/meta-fii-google/+/97105
to shared code

PiperOrigin-RevId: 969568786
Change-Id: I0f97ad883f14a4180182e31b741d0e1d100e09fb
1 file changed