Allow vendor ISharedSecret HALs  by any name

This works together with the keystore2 implementation which already
scans the device for implementations by any name.

Relevant code that searches for "shared secret participants":

https://cs.android.com/android/platform/superproject/main/+/main:system/security/keystore2/src/shared_secret_negotiation.rs;l=142;drc=f20c0ddd095013f983d0f73aee0285331bfae4e3

Bug: 332376454
Test: Run cuttlefish
Change-Id: I5eef81e5f55aaa327cabb5c648e085229b8ce6db
diff --git a/compatibility_matrices/compatibility_matrix.202404.xml b/compatibility_matrices/compatibility_matrix.202404.xml
index f6f70e0..a5e40dd 100644
--- a/compatibility_matrices/compatibility_matrix.202404.xml
+++ b/compatibility_matrices/compatibility_matrix.202404.xml
@@ -538,6 +538,7 @@
             <name>ISharedSecret</name>
             <instance>default</instance>
             <instance>strongbox</instance>
+            <regex-instance>.*</regex-instance>
         </interface>
     </hal>
     <hal format="aidl">