Set to accessibility floating menu mode when navigation mode is gestural

cherry picked from commit bc4516eb226f209df62ea60faf4b563cf38261b6

Bug: 173938894
Test: manual test
Change-Id: I2cbe690040a7e4ad15c1340a5ee146eb315b1d27
Merged-In: I2cbe690040a7e4ad15c1340a5ee146eb315b1d27
1 file changed