Adding ThemeManager as a centralized place for controlling icon theming

Bug: 381897614
Flag: EXEMPT refactor
Test: atest ThemeManagerTest

Change-Id: Ib1dafdcc303f05f78cf586741c3d35243ab06e69

src/com/android/launcher3/dagger/LauncherBaseAppComponent.java

@@ -21,6 +21,7 @@ import android.content.Context;
 import com.android.launcher3.LauncherPrefs;
 import com.android.launcher3.contextualeducation.ContextualEduStatsManager;
 import com.android.launcher3.graphics.IconShape;
+import com.android.launcher3.graphics.ThemeManager;
 import com.android.launcher3.model.ItemInstallQueue;
 import com.android.launcher3.pm.InstallSessionHelper;
 import com.android.launcher3.util.ApiWrapper;
@@ -64,6 +65,7 @@ public interface LauncherBaseAppComponent {
     MSDLPlayerWrapper getMSDLPlayerWrapper();
     WindowManagerProxy getWmProxy();
     LauncherPrefs getLauncherPrefs();
+    ThemeManager getThemeManager();
 
     /** Builder for LauncherBaseAppComponent. */
     interface Builder {