Mark threadnetwork HAL as updatable-via-apex

Since it's not available in U, we don't have to mark it in 8.xml

Bug: 296966113
Test: m
Change-Id: I5ba313208c4c43c270fd4507f3e92cea6a62dc5e
diff --git a/compatibility_matrices/compatibility_matrix.9.xml b/compatibility_matrices/compatibility_matrix.9.xml
index 9af095f..c49421c 100644
--- a/compatibility_matrices/compatibility_matrix.9.xml
+++ b/compatibility_matrices/compatibility_matrix.9.xml
@@ -787,7 +787,7 @@
             <regex-instance>.*</regex-instance>
         </interface>
     </hal>
-    <hal format="aidl" optional="true">
+    <hal format="aidl" optional="true" updatable-via-apex="true">
         <name>android.hardware.threadnetwork</name>
         <version>1</version>
         <interface>