Update settings PrimarySwitchPreference reference

To make InputMethodPreference support 2 target
reference, CL[1] move the PrimarySwitchPreference
into SettingsLib.

Change all PrimarySwitchPreference reference to
Settingslib one and remove the original one.

[1]: Idea3935d95b8d22b00ca89313e9eb3e979e4aa74

Bug: 197705032
Test: Presubmit
Change-Id: I95d111522344bb7cbdd380382e48fe60a5ebc9a2
36 files changed