Remove unused delegate method

ViewRootImpl.isInTouchMode has been removed. This deletes the
corresponding delegate method.

Bug: 74062470
Test: layoutlib tests
Change-Id: Ib76fbdc14f0b31dda490095d89a6f91f6db7f033
(cherry picked from commit f5eb77f8f30d0557c3a842abf9f45d6e3f3b015a)
Merged-In: Ib76fbdc14f0b31dda490095d89a6f91f6db7f033
2 files changed