Remove REQUEST_NOT_SUPPORTED from IRadio

Existing APIs should not allow REQUEST_NOT_SUPPORTED as a valid
error. VTS will be updated next to enforce this behavior.
Deprecate unused APIs and remove REQUEST_NOT_SUPPORTED. Deprecated APIs
will not be tested through VTS.

Test: atest hal_implementation_test
Bug: 254095902
Change-Id: I75861eaf632f624afd5fbee2acffb1dd5c5dde27
diff --git a/compatibility_matrices/compatibility_matrix.current.xml b/compatibility_matrices/compatibility_matrix.current.xml
index e9690c5..aa8f03f 100644
--- a/compatibility_matrices/compatibility_matrix.current.xml
+++ b/compatibility_matrices/compatibility_matrix.current.xml
@@ -475,7 +475,7 @@
     </hal>
     <hal format="aidl" optional="true">
         <name>android.hardware.radio.modem</name>
-        <version>1</version>
+        <version>2</version>
         <interface>
             <name>IRadioModem</name>
             <instance>slot1</instance>