tree 42d9f019d84b2268449bf7d795e21fc1cc96a340
parent 1d256f9031bd772f7581f23f211cb618c3333e38
author Anthony Hugh <ahugh@google.com> 1562976972 -0700
committer Anthony Hugh <ahugh@google.com> 1563311575 -0700

Clean up CarUserManagerHelper methods only used in Settings [2]

Remove these methods:
    - #isCurrentProcessGuestUser
    - #isCurrentProcessDemoUser

Replaced with UserManager equivalents.  Many tests updated to
mock users using ShadowUserManager instead of
using CarUserManagerHelper stubs.

Bug: 137136907
Test: atest CarSettingsRoboTests
Test: atest CarUserManagerHelperTest

Change-Id: Icbfb398ac1986878d0b85500d402e1499d00ee45