Wrong referring to the resource - id/android:id

We were referring to the resource defined as
@+android:id with R.id. which is wrong. This
fix changes the @+android:id/ to @+id/

Change-Id: Ifdca7347bff31311c9c07aecdb110946e4a239ed

res/layout/preference_linearcolor.xml

@@ -19,7 +19,7 @@
         android:layout_height="?android:attr/listPreferredItemHeight"
         android:paddingEnd="?android:attr/scrollbarSize">
     <com.android.settings.applications.LinearColorBar
-        android:id="@+android:id/linear_color_bar"
+        android:id="@+id/linear_color_bar"
         android:layout_width="match_parent"
         android:layout_height="match_parent"
         android:layout_marginTop="16dp"