Convert inputflinger to Android.bp

See build/soong/README.md for more information.

Test: m -j checkbuild
Change-Id: Iebdc3f4d2d560b0fdf5447dde0ac06df64826bb5
Merged-In: Iebdc3f4d2d560b0fdf5447dde0ac06df64826bb5
(cherry picked from commit 45a1b9c95de619785b68ce51b1a3e271abc4ffd9)
6 files changed