NavigationView restores state of the headers

Bug: 32285114
Test: ./gradlew support-design:connectedCheck
-Pandroid.testInstrumentationRunnerArguments.class=android.support.design.widget.NavigationViewTest#testHeaderState
Change-Id: I126578d2e12895e8f6fd3f71778c8a2d1ac3118a
5 files changed