Launcher3: Import CustomSeekBarPreference from crdroid

Commit History:
https://github.com/crdroidandroid/android_packages_apps_crDroidSettings/commits/13.0/src/com/crdroid/settings/preferences/CustomSeekBarPreference.java

Change-Id: I7e8989f6fb94bebbc2c518c85dd1b82b8c31ec5a
Signed-off-by: Pranav Vashi <neobuddy89@gmail.com>
Signed-off-by: Jis G Jacob <studiokeys@blissroms.org>
7 files changed