Revert "Fix LatinIME crashing if JNI lib without gesture support is installed."

This reverts commit e9b4fa9d91a645d3a36ebeb8f7ea4ed86dc04ce0.

Change-Id: I554776eb8ee6fdcc06fab4339e456d340ebd93c6
Merge "Revert "Fix LatinIME crashing if JNI lib without gesture support is installed."" into jb4.3