Revert "Link libinput statically for inputflinger_tests"

This reverts commit bb19287fee88ab0437f7c79dbbc792f121db6b91.

Reason for revert: causes a crash in inputflinger_tests b/217165277

Bug: 217165277
Test: atest inputflinger_tests

Change-Id: I7174d75ccc7e323646c503070174d6791570d394
2 files changed