Revert "Revert "Revert "Simplifying some page indicator dots attributes so that it can"""

This reverts commit 7025765c72.

Reason for revert: 274169859

Change-Id: I86a114bf2c713fea6ec7095f68816820ba5f7495

src/com/android/launcher3/WorkspaceStateTransitionAnimation.java

@@ -153,8 +153,8 @@ public class WorkspaceStateTransitionAnimation {
         Interpolator workspaceFadeInterpolator = config.getInterpolator(ANIM_WORKSPACE_FADE,
                 pageAlphaProvider.interpolator);
         float workspacePageIndicatorAlpha = (elements & WORKSPACE_PAGE_INDICATOR) != 0 ? 1 : 0;
-        mLauncher.getWorkspace().getPageIndicator().setAlpha(
-                propertySetter, workspacePageIndicatorAlpha, workspaceFadeInterpolator);
+        propertySetter.setViewAlpha(mLauncher.getWorkspace().getPageIndicator(),
+                workspacePageIndicatorAlpha, workspaceFadeInterpolator);
         Interpolator hotseatFadeInterpolator = config.getInterpolator(ANIM_HOTSEAT_FADE,
                 workspaceFadeInterpolator);
         float hotseatIconsAlpha = (elements & HOTSEAT_ICONS) != 0 ? 1 : 0;