Set up default (random) Android IDs for all users

Also correct some now-misleading terminology in a permission-check
log message, and fix a bug in which a system component trying to
write to a secondary user's settings would wind up writing the
owner's settings instead.

Bug 7132405

Change-Id: I5b8fafc35720390a01652e386ab5b7c0ad751abe
2 files changed