Revert "Sandbox letterbox and size compat apps"

This reverts commit 4d3f1c5681c4db99ffb4be881cee134b750542eb.

Reason for revert: b/179308296

Change-Id: Idccf97038d5aa92268a13bacc512215878e8aefa
(cherry picked from commit 0ba6185639c20ee8a55cf697aad00716b14d22e9)
8 files changed