Merge \\\\\"docs: Clarifying direct boot notification messages\\\\\" into mnc-io-docs am: 120fd583d5 am: 4c5e5ec6d5 am: 189ef624d1 am: bae1198640
am: e6d7cf1786

Change-Id: Idf3d30c197b02e1ba26cb3d4442d99dfe66fb0a5