[2/3] Telephony: Proximity speaker

Patchset: add missing resolver

Patchset: put in category

Patchset: use dependency attribute in xml instead of
        disabling preference in code

Patchset: use SwitchPreference instead of CheckBoxPreference

Patchset: for incall only, use summaryOff and summaryOn attributes
        for the SwitchPreference to make the preference less
        confusing to the user

Patchset: add time delay preference

Change-Id: I2d4a716d7f3c002cb3b4861452483997f82cbbfa
4 files changed