Add End-To-End test for verifying EditText not covered by IME

Add a test testEditTextPositionAndPersistWhenAboveImeWindowShown in
ImeInsetsVisibilityTest to verify that the IME insets is visible and
the position of EditText on the floating dialog is adjusted after focused.

When the above IME window shown, the insets visibility and EditText
position stays persist without scrolling up / down.

Fix: 155112409
Test: atest ImeInsetsVisibilityTest
Change-Id: I1c79e7f3f8ed42a86d907774fee7d0be7ace0e5f
1 file changed