[Merge] lp:~zhangew401/usensord/fix-lp-1433590 into lp:usensord

[Zhang Enwei]

Thanks a lot for your detailed explanation, Tyler
Please let me explain our requirement in the bug.
1. If the caller is OSK, we will do vibration always.
2. If the caller is app, including click package and others like system-settings who have used Toolkit in their implementation, we will do vibration based the value of exposed property OtherVibrate.

I don't know if system settings have unconfined profile. But from the info I got from Zosmbi, the user of Toolkit includes unconfined apps.

Thanks again.
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https://code.launchpad.net/~zhangew401/usensord/fix-lp-1433590/+merge/299959
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