[automerger] DO NOT MERGE Fix mTrustManager NPE am: a381c4ced3 am: 30a705874a am: 85727109f0 skipped: 15a3e59d35 am: 0a2ed3f761 am: d57766c5b4

Change-Id: Iac5a694469e6c111f204df6c58446a45cf0ada7c