libbinder: build Trusty files on Android

Build the Trusty source code on Android as the
libbinder_on_trusty_mock library so that we can catch
Trusty build errors early.

Bug: 230135749
Test: m libbinder_on_trusty_mock
Change-Id: Iedfff0e76582ff8de55be652cb4330369386cd52
diff --git a/libs/binder/trusty/RpcServerTrusty.cpp b/libs/binder/trusty/RpcServerTrusty.cpp
index c789614..cb77575 100644
--- a/libs/binder/trusty/RpcServerTrusty.cpp
+++ b/libs/binder/trusty/RpcServerTrusty.cpp
@@ -127,7 +127,7 @@
     return rc;
 }
 
-int RpcServerTrusty::handleMessage(const tipc_port* port, handle_t chan, void* ctx) {
+int RpcServerTrusty::handleMessage(const tipc_port* /*port*/, handle_t /*chan*/, void* ctx) {
     auto* channelContext = reinterpret_cast<ChannelContext*>(ctx);
     LOG_ALWAYS_FATAL_IF(channelContext == nullptr,
                         "bad state: message received on uninitialized channel");
@@ -144,7 +144,8 @@
     return NO_ERROR;
 }
 
-void RpcServerTrusty::handleDisconnect(const tipc_port* port, handle_t chan, void* ctx) {}
+void RpcServerTrusty::handleDisconnect(const tipc_port* /*port*/, handle_t /*chan*/,
+                                       void* /*ctx*/) {}
 
 void RpcServerTrusty::handleChannelCleanup(void* ctx) {
     auto* channelContext = reinterpret_cast<ChannelContext*>(ctx);