Merge "Align shortcut helper components to spec" into main

packages/SystemUI/res/drawable/ksh_key_item_background.xml

packages/SystemUI/res/layout/keyboard_shortcut_app_item.xml

...SystemUI/res/layout/keyboard_shortcuts_category_title.xml

.../SystemUI/res/layout/keyboard_shortcuts_key_icon_view.xml

...temUI/res/layout/keyboard_shortcuts_key_new_icon_view.xml

.../SystemUI/res/layout/keyboard_shortcuts_key_plus_view.xml

...emUI/res/layout/keyboard_shortcuts_key_separator_view.xml

...I/res/layout/keyboard_shortcuts_key_vertical_bar_view.xml

packages/SystemUI/res/layout/keyboard_shortcuts_key_view.xml

...es/SystemUI/res/layout/keyboard_shortcuts_search_view.xml

packages/SystemUI/res/layout/keyboard_shortcuts_view.xml

packages/SystemUI/res/values/colors.xml

packages/SystemUI/res/values/dimens.xml

packages/SystemUI/res/values/strings.xml

packages/SystemUI/res/values/styles.xml

...ndroid/systemui/statusbar/KeyboardShortcutListSearch.java

...src/com/android/systemui/statusbar/KeyboardShortcuts.java