Make directed_test support static libs

1.Make directed_test apps linked against static libs
of hip, rocclr, rocr, roct and amd_comgr.
2.Remove custom_target amdhip64_static_combiner.
3.Support EXCLUDE_HIP_LIB_TYPE <static|shared>.
4.Simplify argument list parsing.
5.Fix hip_pch.o missing issue in samples' build.
6.Fix some original small bugs.

Change-Id: I30f5e65367613152ce86b80b13e1c9f2a28da803

tests/src/dynamicLoading/complex_loading_behavior.cpp

@@ -21,9 +21,9 @@ THE SOFTWARE.
 */
 
 /* HIT_START
- * BUILD_CMD: libfoo_amd %hc %S/%s -o libfoo.so -Xcompiler -fPIC -lpthread -shared -DTEST_SHARED_LIBRARY EXCLUDE_HIP_PLATFORM nvcc
+ * BUILD_CMD: libfoo_amd %hc %S/%s -o libfoo.so -Xcompiler -fPIC -lpthread -shared -DTEST_SHARED_LIBRARY EXCLUDE_HIP_PLATFORM nvcc EXCLUDE_HIP_LIB_TYPE static
  * BUILD_CMD: libfoo_nvidia %hc %S/%s -o libfoo.so -Xcompiler -fPIC -lpthread -shared -DTEST_SHARED_LIBRARY EXCLUDE_HIP_PLATFORM hcc rocclr
- * BUILD_CMD: %t %hc %S/%s -o %T/%t -ldl
+ * BUILD_CMD: %t %hc %S/%s -o %T/%t -ldl EXCLUDE_HIP_LIB_TYPE static
  * TEST: %t
  * HIT_END
  */