axolotl: vintf: set kernel to target level 4

Change-Id: Id6c336e8b6e773cdf7332082bd04c683515aae51
Signed-off-by: Alexander Martinz <amartinz@shiftphones.com>
diff --git a/vintf/manifest.xml b/vintf/manifest.xml
index aa5a69a..9e1b0a6 100644
--- a/vintf/manifest.xml
+++ b/vintf/manifest.xml
@@ -1,10 +1,5 @@
-<!--
-    Input:
-        manifest.xml
-        manifest_ab.xml
-        manifest_fingerprint.xml
--->
 <manifest version="1.0" type="device" target-level="4">
+    <kernel target-level="4" />
     <hal format="hidl">
         <name>android.hardware.audio</name>
         <transport>hwbinder</transport>