Update vhal manifest fragment and compat matrix

We are serving V2 of the vhal interface, so reflect that in the manifest
fragment.

Test: lunch cf_x86_64_auto-userdebug && atest hal_implementation_test
Bug: 266868868
Change-Id: I86217712f225df64cb3494be3461d7ff39d80064
diff --git a/compatibility_matrices/compatibility_matrix.8.xml b/compatibility_matrices/compatibility_matrix.8.xml
index c58f559..d2db438 100644
--- a/compatibility_matrices/compatibility_matrix.8.xml
+++ b/compatibility_matrices/compatibility_matrix.8.xml
@@ -103,6 +103,7 @@
     </hal>
     <hal format="aidl" optional="true">
         <name>android.hardware.automotive.vehicle</name>
+        <version>1-2</version>
         <interface>
             <name>IVehicle</name>
             <instance>default</instance>