Merge "Add help text for `fastboot gsi status`" into main am: 7e32f6f9 am: 98e4d516

Original change: https://android-review.googlesource.com/c/platform/system/core/+/2892384



Change-Id: I79c7e61511aca195604e2441ed5e7401f58f1920
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>