Enable clang-format for input-related code

Enable clang format for:
- include/input
- libs/input
- services/inputflinger

Bug: none
Test: repo upload a CL
Change-Id: I1466c211493738767210f9a5b189caf72df7dd21
Merged-In: I1466c211493738767210f9a5b189caf72df7dd21
1 file changed