[1/n] Add userMinAspectRatio to packageUserState

Add per-user per-app min aspect ratio override setting that can only be
accessed by the same package.

Fix: 287447864
Test: atest CrossUserPackageVisibilityTests
      atest PackageManagerServiceTest
      atest PackageManagerSettingsTests
Change-Id: I2735a08c0830eaeee2c5f25d5f65bdbfe9890138