My Vibrations is an easy service that allow user to define vibration lenght and pause when receiving a phone call.

This app fix the Lollipop vibration issue for Nexus 5 and others phones when is present a flip cover:
https://productforums.google.com/forum/#!topic/nexus/PjCeMyL_wSo
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When phone is in vibrate and Quick Cover is closed I feel only one-two seconds vibrate next phone still ringing but it is silent (doesn't vibrate). In KitKat that was working.
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Some users reported that works also with:
Xperia Z1 (C6903) Moto G Nexus 6P Nexus 5X OnePlus One.