Derestrict ContextWrapper.createApplicationContext.

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: 175981568
Test: m
Change-Id: I3e61d3f56f176d573f68ba85f3b1762686aa62ef