[High5] Update pin keyboard button color

- Update button color to the latest High5 spec
- Fix digit numbers accessibility labels

Bug: b:349942666, b:348326316
Change-Id: Ic7faca8a796a7c2ad73649995de97f63062ab8a3
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5666494
Reviewed-by: Hardik Goyal <hardikgoyal@chromium.org>
Commit-Queue: Istvan Nagy <iscsi@google.com>
Reviewed-by: Renato Silva <rrsilva@google.com>
Cr-Commit-Position: refs/heads/main@{#1320913}

ash/auth/views/pin_keyboard_pixeltest.cc

@@ -76,14 +76,14 @@ TEST_F(PinKeyboardPixelTest, DayMode) {
   DarkLightModeControllerImpl::Get()->SetDarkModeEnabledForTest(false);
   //  Verify the UI.
   EXPECT_TRUE(GetPixelDiffer()->CompareUiComponentsOnPrimaryScreen(
-      "DayMode", /*revision_number=*/2, view_));
+      "DayMode", /*revision_number=*/3, view_));
 }
 
 // Verify the pin keyboard component look like in DayMode
 TEST_F(PinKeyboardPixelTest, NightMode) {
   //  Verify the UI.
   EXPECT_TRUE(GetPixelDiffer()->CompareUiComponentsOnPrimaryScreen(
-      "NightMode", /*revision_number=*/2, view_));
+      "NightMode", /*revision_number=*/3, view_));
 }
 
 }  // namespace

ash/auth/views/pin_keyboard_view.cc

@@ -43,7 +43,7 @@ constexpr int kPinKeyboardWidthDp =
     3 * kButtonSize + 2 * kButtonsHorizontalPadding;
 
 constexpr ui::ColorId kButtonBackgroundColorId =
-    cros_tokens::kCrosSysBaseElevated;
+    cros_tokens::kCrosSysSystemBaseElevated;
 constexpr ui::ColorId kButtonContentColorId = cros_tokens::kCrosSysOnSurface;
 
 void StyleButton(IconButton* button_ptr) {
@@ -192,7 +192,7 @@ void PinKeyboardView::AddDigitButton(int digit) {
 
   IconButton::Builder builder;
   builder.SetType(IconButton::Type::kXLarge)
-      .SetAccessibleNameId(IDS_ASH_PIN_KEYBOARD_DELETE_ACCESSIBLE_NAME)
+      .SetAccessibleName(base::NumberToString16(digit))
       .SetCallback(base::BindRepeating(&PinKeyboardView::OnDigitButtonPressed,
                                        weak_ptr_factory_.GetWeakPtr(), digit))
       .SetTogglable(false)