Renaming compose slider haptics flag.

Following go/trunk-stable-bug-fix#switching, renaming and changing the purpose of this flag, which was incorrectly created as a feature flag.

Test: presubmit
Flag: NONE renaming flag
Bug: 341968766

Change-Id: If860c7fcc4102cadbb77a69d6b2942e6402520ff
1 file changed