Introduced DO_NOT_ASK_CREDENTIALS_ON_BOOT flag

A new flag for DPM.resetPassword() method that specifies that the
device should be decrypted without asking for the password or pattern.

Bug 19250601

Related CL in Settings App: https://googleplex-android-review.git.corp.google.com/#/c/670206

Change-Id: I9ca3472dc18e66e618ff772dee16ca4a450e9997
8 files changed