binderRpcTest: Move PrintParamInfo to test fixture

Both the Android and Trusty copies of binderRpcTest
had identical copies of PrintParamInfo. This moves
the function into the common binderRpcTestFixture
header to avoid duplication.

Bug: N/A
Test: binderRpcTest
Change-Id: Id3817469b255951564a85e1e470caf79b510f554
diff --git a/libs/binder/tests/binderRpcTestCommon.h b/libs/binder/tests/binderRpcTestCommon.h
index a467ee3..f783a9e 100644
--- a/libs/binder/tests/binderRpcTestCommon.h
+++ b/libs/binder/tests/binderRpcTestCommon.h
@@ -170,7 +170,7 @@
     return object;
 }
 
-static inline std::unique_ptr<RpcTransportCtxFactory> newFactory(
+static inline std::unique_ptr<RpcTransportCtxFactory> newTlsFactory(
         RpcSecurity rpcSecurity, std::shared_ptr<RpcCertificateVerifier> verifier = nullptr,
         std::unique_ptr<RpcAuth> auth = nullptr) {
     switch (rpcSecurity) {