This is to enable Android Lint and Android Studio to flag nullness
issues at compile time.
Bug: 18088752
Change-Id: I21033b8fcdd989d08c89b50685e47fbb9c74acbf
The KeyChain API is Currently in use by Browser and validated by Email
for client certificate authentication.
Change-Id: Ifeab416be594457a05747406e31656e71795cb53