Fix searchable icon for search app.

android:icon is not support in the searchable config, the search app takes
it from the activity info instead.

Bug: 7128148
Change-Id: I944decf2538ad6b7e94d2bfcf52736c792d86891
diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index d77c335..b69f6d9 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -12,6 +12,7 @@
 
         <activity android:name="ApplicationLauncher"
                 android:label="@string/search_label"
+                android:icon="@android:drawable/sym_def_app_icon"
                 android:stateNotNeeded="true"
                 android:excludeFromRecents="true">
 
diff --git a/res/xml/searchable.xml b/res/xml/searchable.xml
index aed545b..e6df7cd 100644
--- a/res/xml/searchable.xml
+++ b/res/xml/searchable.xml
@@ -15,7 +15,6 @@
 -->
 
 <searchable xmlns:android="http://schemas.android.com/apk/res/android"
-    android:icon="@android:drawable/sym_def_app_icon"
     android:label="@string/search_label"
     android:includeInGlobalSearch="true"
     android:searchSuggestAuthority="applications"