Add footer preference into caption preferences to tell users
that the setting doesn't support all apps.
Bug: 135888603
Test: Visual
Change-Id: I95e0aa301eba7343fbc798cc406c0242f4f4eb7e
Move the switch after the caption preview and change the oreder of the
settings inside in caption preferences in Accessibility settings.
Bug: 130755332
Test: Visual
Change-Id: Icb4dabdef71be165a21d1bde474872ee0bb35bfa
CaptionPropertiesFragment is using a non-standard way to display preview
images. Changed to use LayoutPreference.
Bug: 132797057
Test: visual
Change-Id: I92bfd38e2880226d7385e98ed871dad4e1f30e42
This is necessary for SettingsIntelligence to parse settings:keywords
when indexing search stuff.
Bug: 64938328
Test: rerun tests
Change-Id: I0d8885c854852020dfa0b9faa3044d4a1b82f8f2