Dialer: Add option to disable proximity sensor

Provide a switch for end user to disable proximity sensor
while calling/incall.

Co-authored-by: Pranav Vashi <neobuddy89@gmail.com>
Signed-off-by: Pranav Vashi <neobuddy89@gmail.com>
Signed-off-by: Pranav Temkar <pranavtemkar@gmail.com>
Signed-off-by: Jis G Jacob <studiokeys@blissroms.org>
5 files changed