Request application of WindowInsets when setting a content view

For both PhoneWindow and VoiceInteractionSession, call
requestApplyInsets when the content view(s) change. This is generally
what the developer expects if the new view tree responds to insets in
any way.

Bug 21620924

Change-Id: I60a88af55bf85217c3587aa37f03fdc3fdce686d
2 files changed