Move set member pair handle from settingLib to setting

Remove createBond from settingLib. SystemUI and Setting have the
individual settingLib instance. If we trigger pairing inside settingLib,
the action would be called twice.

Bug: 201758444
Bug: 150670922
Test: Pair the coordinated set devices, and check the set member pairing
would be done automatically without the pairing dialog

Change-Id: I289b8af857530f0fb207b777d09d94549cfdf553