Merge "Wait in ReorderWidgets test for the workapce to load after changing it." into tm-qpr-dev

        FavoriteItemsTransaction transaction =

                new FavoriteItemsTransaction(mTargetContext, this);

        mWorkspaceBuilder.buildFromBoard(testCase.mStart, transaction).commit();

        waitForLauncherCondition("Workspace didn't finish loading", l -> !l.isWorkspaceLoading());

        Widget widget = mLauncher.getWorkspace().getWidgetAtCell(mainWidgetCellPos.x,

                mainWidgetCellPos.y);

        assertNotNull(widget);