matrix: identity AIDL has version 2.

Test: builds
Bug: 150034914
Change-Id: I041cc5c1dfb7b812d38a7a516276630d2f804875
diff --git a/compatibility_matrices/compatibility_matrix.current.xml b/compatibility_matrices/compatibility_matrix.current.xml
index 451eff4..fef5d67 100644
--- a/compatibility_matrices/compatibility_matrix.current.xml
+++ b/compatibility_matrices/compatibility_matrix.current.xml
@@ -260,6 +260,7 @@
     </hal>
     <hal format="aidl" optional="true">
         <name>android.hardware.identity</name>
+        <version>1-2</version>
         <interface>
             <name>IIdentityCredentialStore</name>
             <instance>default</instance>