put an icon for the clear button

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

@@ -0,0 +1,9 @@
+<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="#FFFFFFFF"
+      android:pathData="M12,2C6.48,2 2,6.48 2,12s4.48,10 10,10 10,-4.48 10,-10S17.52,2 12,2zM12,20c-4.42,0 -8,-3.58 -8,-8 0,-1.85 0.63,-3.55 1.69,-4.9L16.9,18.31C15.55,19.37 13.85,20 12,20zM18.31,16.9L7.1,5.69C8.45,4.63 10.15,4 12,4c4.42,0 8,3.58 8,8 0,1.85 -0.63,3.55 -1.69,4.9z"/>
+</vector>

app/src/main/res/menu/bottom_sheet_menu.xml

@@ -6,6 +6,7 @@
 		android:id="@+id/actionClear"
 		android:orderInCategory="100"
 		android:title="@string/clear"
+		android:icon="@drawable/ic_baseline_not_interested"
 		app:showAsAction="always" />
 	<item
 		android:id="@+id/actionAdd"