[SettingsProvider] lint checks for non-user getter calls from system server

Detect method calls like Settings.Secure.getInt().

System server code should always use get*ForUser() instead of get*()
methods.

BUG: 166312046
Test: atest com.google.android.lint.CallingSettingsNonUserGetterMethodsIssueDetectorTest
Change-Id: If54c867f58ffd92a1dd1759f806a280e5b5c04c6
3 files changed