cros: Use runtime stylus detection for ash palette.

ash/common/ash_switches.h

Index: ash/common/ash_switches.h
diff --git a/ash/common/ash_switches.h b/ash/common/ash_switches.h
index ee10c8558abfede5f45ab7763d4c51aa720175a4..b7cc771354852eb3f962afdff618bef3eb197ee5 100644
--- a/ash/common/ash_switches.h
+++ b/ash/common/ash_switches.h
@@ -25,12 +25,11 @@ ASH_EXPORT extern const char kAshDisableScreenOrientationLock[];
 ASH_EXPORT extern const char kAshDisableTouchExplorationMode[];
 ASH_EXPORT extern const char kAshEnableFullscreenAppList[];
 ASH_EXPORT extern const char kAshEnableMagnifierKeyScroller[];
-ASH_EXPORT extern const char kAshEnablePalette[];
 ASH_EXPORT extern const char kAshEnablePaletteOnAllDisplays[];
 ASH_EXPORT extern const char kAshEnableDockedWindows[];
 ASH_EXPORT extern const char kAshEnableTouchView[];
 ASH_EXPORT extern const char kAshEnableMirroredScreen[];
-ASH_EXPORT extern const char kAshDisableStableOverviewOrder[];
+ASH_EXPORT extern const char kAshForceEnablePalette[];
 ASH_EXPORT extern const char kAshHideNotificationsForFactory[];
 ASH_EXPORT extern const char kAshMaterialDesign[];
 ASH_EXPORT extern const char kAshMaterialDesignDisabled[];