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

Signed-off-by: Pranav Vashi <neobuddy89@gmail.com>
Signed-off-by: Jackeagle <jackeagle102@gmail.com>
7 files changed