Apply .clangformat to all repo source files

Change-Id: I7e79c6058f0303f9a98911e3b7dd2e8596079344

tests/src/nvcc/Device/hipGetDeviceCount.cpp

@@ -20,7 +20,4 @@ THE SOFTWARE.
 #include <hip/hip_runtime_api.h>
 #include "test_common.h"
 
-int main()
-{
-    HIP_PRINT_STATUS(hipGetDeviceCount(NULL));
-}
+int main() { HIP_PRINT_STATUS(hipGetDeviceCount(NULL)); }