[Flang][Sanitizer] Support sanitizer flag for Flang Driver.

Flang Driver currently dosen't support option sanitizer flags such as
'-fsanitize='. This patch currently supports enabling sanitizer flags
for the flang driver apart from clang independently.

Author: ampandey-1995

clang/include/clang/Driver/Options.td

@@ -2309,7 +2309,7 @@ def fmemory_profile_use_EQ : Joined<["-"], "fmemory-profile-use=">,
 
 // Begin sanitizer flags. These should all be core options exposed in all driver
 // modes.
-let Visibility = [ClangOption, CC1Option, CLOption] in {
+let Visibility = [ClangOption, CC1Option, CLOption, FlangOption, FC1Option] in {
 
 def fsanitize_EQ : CommaJoined<["-"], "fsanitize=">, Group<f_clang_Group>,
                    MetaVarName<"<check>">,