Fix focusChanges assertion

The assertion verifies the focus changes starting from the transition.
Passing the subsequence of focus changes makes the assertion fail.
This CL passes all windows which involve focus changes to make the
assertion pass.

Fixes: 428630722
Test: EnterBubbleViaDragToBubbleBarTest
Flag: TEST_ONLY
Change-Id: Icfa2800c7dba1344a0e7dc0190b9a3768a0434ce