Merge "trusty/storage: Add property indicating when fs is ready" am:...

Merge "trusty/storage: Add property indicating when fs is ready" am: a3e60548 am: c8d405eb am: 9f9ab4a0

Original change: https://android-review.googlesource.com/c/platform/system/core/+/2310114



Change-Id: I88e20d88793aa7d9def993e70c5d8980667fa9b7
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>