FEAT-56803 - Fix ocltst slow issues

Fix very slow issues of two ocltst test cases.

Cherry pick
 https://gerrit-git.amd.com/c/compute/ec/clr/+/1009383

Change-Id: I0228c5e87cdec366993fd4afb1c25e7f8161c2c5

opencl/tests/ocltst/module/runtime/OCLMultiQueue.cpp

@@ -42,7 +42,12 @@ static bool useGPU = true;
 
 static const cl_uint NumQueues = 8;  // must be power of 2
 static cl_uint NumElements = 4096;
+#if EMU_ENV
+static const cl_uint NumRuns = 16;
+#else
 static const cl_uint NumRuns = 16384;
+#endif
+
 static const cl_uint ExecutionsPerQueue = 256;
 std::stringstream lerror;