Fixed a bug with decorated custom views

Even if their layout still maches, the content was unrecoverably
destroyed, so we can't just reapply it anymore.

Fixes: 62911941
Test: runtest -x packages/SystemUI/tests/src/com/android/systemui/statusbar/notification/NotificationInflaterTest.java

Change-Id: I3a50c96484686958570ac5e4949df3ad4b8a421a