Revert deletion and deprecate few PopupWindow methods

After method rename procedure b/126354063 we discovered that
androidx-platform-dev already depends on that methods added during fixit
week, so revert deletion of these methods and deprecate them.

Bug: b/126354063
Test: PopupWindowTests
Change-Id: I17b985542ffd661358059740bdf620e1bfb5b550
2 files changed