Make inline suggestions tooltip is not magnified

Because the tooltip is part of suggestions on keyboard, it should be the
same as keyboard that is not magnified by the accessibility magnifier
when the magnifier is full screen mode.

Bug: 183462449
Test: Manual
Test: atest CtsAutoFillServiceTestCases
Change-Id: I3cfd84357b556a85c2788776d3966cf94d4a981d