For #23121 - Replace @drawble/ic_chevron_up with @drawable/mozac_ic_arrowhead_up

app/src/main/res/drawable/ic_chevron.xml

@@ -3,6 +3,6 @@
    - License, v. 2.0. If a copy of the MPL was not distributed with this
    - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
 <selector xmlns:android="http://schemas.android.com/apk/res/android" android:constantSize="true">
-    <item android:drawable="@drawable/ic_chevron_up" android:state_activated="true" />
+    <item android:drawable="@drawable/mozac_ic_arrowhead_up" android:state_activated="true" />
     <item android:drawable="@drawable/mozac_ic_arrowhead_down" />
 </selector>

app/src/main/res/drawable/ic_chevron_up.xml

@@ -1,12 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!-- This Source Code Form is subject to the terms of the Mozilla Public
-   - License, v. 2.0. If a copy of the MPL was not distributed with this
-   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
-<vector xmlns:android="http://schemas.android.com/apk/res/android"
-        android:width="24dp"
-        android:height="24dp"
-        android:viewportWidth="24"
-        android:viewportHeight="24">
-    <path android:fillColor="?primaryText"
-          android:pathData="m12,8.711 l-6.72,6.72a0.75,0.75 0,1 1,-1.061 -1.061L11.589,7h0.821l7.37,7.37c0.147,0.146 0.22,0.338 0.22,0.53a0.75,0.75 0,0 1,-1.281 0.53L12,8.711z"/>
-</vector>