Generate debug info for non CI builds or qa, gold builds (#1433)

b/290953361

Fixes large archives generated for devel, debug builds on CI.

Address issues for building pdb's locally:
#1249 (comment)

(cherry picked from commit e1744df)

starboard/xb1/platform_configuration/BUILD.gn

@@ -59,7 +59,9 @@ config("target") {
     ]
   }
 
-  ldflags += [ "/DEBUG:FASTLINK" ]
+  if (is_qa || is_gold || !cobalt_fastbuild) {
+    ldflags += [ "/DEBUG:FASTLINK" ]
+  }
 
   ldflags += [ "/NODEFAULTLIB" ]
   arflags += [ "/NODEFAULTLIB" ]