Re-add dialer lookup.

Author: Xiao-Long Chen <chenxiaolong@cxl.epac.to>
Date:   Mon Sep 12 09:34:02 2016 +0200

    Re-add dialer lookup.

    BUGBASH-612: do not send phone numbers to non-ssl sites for reverse/forward/people lookups

    Change-Id: I677460ad5767b8698ee24d6d43ff159aee55387a

Author: Joey <joey@lineageos.org>
Date:   Wed Mar 28 21:11:16 2018 +0200

    Dialer: comply with EU's GDPR

    Disable lookup by default and add a disclaimer for the feature

    Change-Id: If7a181952304dbaee736762bdfd5819eddc5f89b
Signed-off-by: Joey <joey@lineageos.org>

Change-Id: I4ff90a678618fa8c7b5970dff3dd246b0c87135c