Revert "InputDispatcher: Blame the window from the focus request for ANR"

This reverts commit 2f5bc8b8cfda7762213268842c13e2280ac02466.

Breaks android.server.wm.AnrTests#slowUiThreadWithKeyEventTriggersAnr

Test: atest android.server.wm.AnrTests#slowUiThreadWithKeyEventTriggersAnr
Bug: 239907039
Change-Id: I45fcaf7d92fdedfa965d563cdb62ad2da3c8f5d4
5 files changed