"Revert "Temporarily exclude Launcher from sandboxing; to be reverted once""

This reverts commit 5824b897.

Reason for revert: Launcher has removed their dependency on Display#getRealSize

Bug: 181219241
Test: atest FrameworksMockingCoreTests:android.view.DisplayTest
Change-Id: I9bbf2b511a5b92eea6365bbd2a594238e01f1b36
Merged In: I9bbf2b511a5b92eea6365bbd2a594238e01f1b36