Fix typo in "Three Finger Swipe Enable" property name

As far as I can tell, the "EnableX" wasn't intentional, and there are no
other usages of this property in code or configuration files, so this is
safe to rename.

BUG=none
TEST=cros_workon_make --test chromeos-base/gestures

Change-Id: I49017c6116869f3b8e30c7d4f5c69a4d75419cb7
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/gestures/+/3987743
Tested-by: Harry Cutts <hcutts@chromium.org>
Reviewed-by: Sean O'Brien <seobrien@chromium.org>
Commit-Queue: Harry Cutts <hcutts@chromium.org>
1 file changed