SystemUI: Bring in drawables for statusbar icon toggles

- Icons from aosp base and settings
- Minor edits for width, height, tint and color

From 'core/res/res/drawable' dir:
- ic_statusbar_auto_rotate - ic_qs_auto_rotate
- ic_statusbar_camera - ic_camera
- ic_statusbar_mute - ic_audio_ring_notif_mute
- ic_statusbar_wifi - ic_wifi_signal_4
- ic_statusbar_vibrate - ic_audio_ring_notif_vibrate
- ic_statusbar_alarm - ic_audio_alarm

From 'packages/SystemUI/res/drawable' dir:
- ic_statusbar_headset - ic_headset
- ic_statusbar_cast - ic_cast

From 'packages/apps/Settings/res/drawable' dir:
- ic_statusbar_work - ic_enterprise
- ic_statusbar_hotspot - ic_hotspot
- ic_statusbar_do_not_disturb - ic_do_not_disturb_on_24dp
- ic_statusbar_ethernet - ic_settings_ethernet
- ic_statusbar_mobile_network - ic_network_cell
- ic_statusbar_airplanemode - ic_airplanemode_active
- ic_statusbar_clock - ic_settings_date_time
- ic_statusbar_priority - ic_important_outline

Change-Id: Id30e5039e73068d0c73dd5fc7d0305865af1d791