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

This reverts commit 6574e37f.

Bug: 179308296
Bug: 186056836
Reason for revert: No longer needed, as Launcher has updated their
approach (verified in sc-v2)

Change-Id: Iadaa4fbf82708cadff518cdb6db973ee402cd094