Merge "Fix SeekBarPreference Theming"

core/java/android/preference/SeekBarPreference.java

core/res/res/layout/preference_widget_seekbar.xml

core/res/res/layout/preference_widget_seekbar_material.xml

core/res/res/values/attrs.xml

core/res/res/values/styles.xml

core/res/res/values/styles_device_defaults.xml

core/res/res/values/styles_material.xml

core/res/res/values/symbols.xml

core/res/res/values/themes.xml

core/res/res/values/themes_device_defaults.xml

core/res/res/values/themes_material.xml