Revert "Deprecate notifyAppWidgetViewDataChanged"

This reverts commit e61404814947b611c68853050a4a22aeebe728bc.

Reason for revert: Delay @Deprecated annotation
(cherry picked from https://googleplex-android-review.googlesource.com/q/commit:9bed3e0364c87c75f80d7f356ec89122a2396744)
Merged-In: I6714a25a77e54eaac3f0953e58298385650bd55e
Change-Id: I6714a25a77e54eaac3f0953e58298385650bd55e
2 files changed