binder: optimize OnewayCallQueueing

    time out/host/linux-x86/nativetest64/binderRpcTestNoKernel/binderRpcTestNoKernel --gtest_filter="*OnewayCallQueueing*"

    before: 1:20.09 total
    after: 49.387 total

All of the time is spent in saturateThreadPool now.

Bug: 271860373
Test: see above
Change-Id: Id41ff1d6e77070c39c656c07be87028011c6e663
diff --git a/libs/binder/tests/binderRpcTestCommon.h b/libs/binder/tests/binderRpcTestCommon.h
index a467ee3..d129661 100644
--- a/libs/binder/tests/binderRpcTestCommon.h
+++ b/libs/binder/tests/binderRpcTestCommon.h
@@ -445,6 +445,12 @@
     Status blockingRecvFd(android::os::ParcelFileDescriptor* /*fd*/) override {
         return Status::fromStatusT(UNKNOWN_TRANSACTION);
     }
+
+    Status blockingSendIntOneway(int /*n*/) override {
+        return Status::fromStatusT(UNKNOWN_TRANSACTION);
+    }
+
+    Status blockingRecvInt(int* /*n*/) override { return Status::fromStatusT(UNKNOWN_TRANSACTION); }
 };
 
 } // namespace android