Migrate materialColor* attributes into colors

TLDR:
* This change should not break anything or change any color.
* Simplifies theming and styling while improving developer experience.
* With this  developers can often skip styling for color entirely, while ensuring consistency and preventing accidental overrides.

Bug: 374273611
Test: presubmit
Flag: EXEMPT bugfix
Change-Id: Id19038078e83c73847b1a7c686c3a3df1ecccac2

src/com/android/launcher3/allapps/ActivityAllAppsContainerView.java

@@ -315,8 +315,7 @@ public class ActivityAllAppsContainerView<T extends Context & ActivityContext>
                 0,
                 0 // Bottom left
         };
-        mBottomSheetBackgroundColor =
-                Themes.getAttrColor(getContext(), R.attr.materialColorSurfaceDim);
+        mBottomSheetBackgroundColor = getContext().getColor(R.color.materialColorSurfaceDim);
         updateBackgroundVisibility(mActivityContext.getDeviceProfile());
         mSearchUiManager.initializeSearch(this);
     }

src/com/android/launcher3/allapps/LetterListTextView.java

@@ -31,7 +31,6 @@ import androidx.core.graphics.ColorUtils;
 
 import com.android.launcher3.R;
 import com.android.launcher3.Utilities;
-import com.android.launcher3.util.Themes;
 
 /**
  * A TextView that is used to display the letter list in the fast scroller.
@@ -56,7 +55,7 @@ public class LetterListTextView extends TextView {
         mLetterBackground = context.getDrawable(R.drawable.bg_letter_list_text);
         mLetterListTextWidthAndHeight = context.getResources().getDimensionPixelSize(
                 R.dimen.fastscroll_list_letter_size);
-        mTextColor = Themes.getAttrColor(context, R.attr.materialColorOnSurface);
+        mTextColor = context.getColor(R.color.materialColorOnSurface);
     }
 
     @Override

src/com/android/launcher3/allapps/SectionDecorationHandler.java

@@ -27,7 +27,6 @@ import android.view.View;
 import androidx.annotation.Nullable;
 
 import com.android.launcher3.R;
-import com.android.launcher3.util.Themes;
 
 public class SectionDecorationHandler {
 
@@ -60,10 +59,8 @@ public class SectionDecorationHandler {
 
         mContext = context;
         mFillAlpha = fillAlpha;
-        mFocusColor = Themes.getAttrColor(context,
-                R.attr.materialColorSurfaceBright); // UX recommended
-        mFillColor = Themes.getAttrColor(context,
-                R.attr.materialColorSurfaceContainerHigh); // UX recommended
+        mFocusColor = context.getColor(R.color.materialColorSurfaceBright); // UX recommended
+        mFillColor = context.getColor(R.color.materialColorSurfaceContainerHigh); // UX recommended
 
         mIsTopLeftRound = isTopLeftRound;
         mIsTopRightRound = isTopRightRound;

src/com/android/launcher3/popup/ArrowPopup.java

@@ -138,7 +138,7 @@ public abstract class ArrowPopup<T extends Context & ActivityContext>
 
         // Initialize arrow view
         final Resources resources = getResources();
-        mArrowColor = Themes.getAttrColor(getContext(), R.attr.materialColorSurfaceContainer);
+        mArrowColor = getContext().getColor(R.color.materialColorSurfaceContainer);
         mChildContainerMargin = resources.getDimensionPixelSize(R.dimen.popup_margin);
         mArrowWidth = resources.getDimensionPixelSize(R.dimen.popup_arrow_width);
         mArrowHeight = resources.getDimensionPixelSize(R.dimen.popup_arrow_height);
@@ -170,8 +170,7 @@ public abstract class ArrowPopup<T extends Context & ActivityContext>
                     getContext().getColor(R.color.popup_shade_third)
             };
         } else {
-            mColors = new int[]{Themes.getAttrColor(getContext(),
-                    R.attr.materialColorSurfaceContainer)};
+            mColors = new int[]{getContext().getColor(R.color.materialColorSurfaceContainer)};
         }
     }
 

src/com/android/launcher3/views/RecyclerViewFastScroller.java

@@ -180,7 +180,7 @@ public class RecyclerViewFastScroller extends View {
         mTrackPaint.setAlpha(MAX_TRACK_ALPHA);
 
         mThumbColor = Themes.getColorAccent(context);
-        mThumbLetterScrollerColor = Themes.getAttrColor(context, R.attr.materialColorSurfaceBright);
+        mThumbLetterScrollerColor = context.getColor(R.color.materialColorSurfaceBright);
         mThumbPaint = new Paint();
         mThumbPaint.setAntiAlias(true);
         mThumbPaint.setColor(mThumbColor);