Derestrict Resources.getDisplayAdjustments().

Usage has been discovered by an app so reverting this to its previous
state. This is conceptually a partial revert of change 5d123b67.

NoNonSdkCheck: b/170729553

Bug: 176190631
Test: Treehugger
Change-Id: I35a853360231a17aa95c4816de308c85d040ad40