Revert "Enable -Wfortify-source"

This reverts commit 25e9e900f16d742b81addf0744e54c38b53f23ab.

Reason for revert: Droidmonitor triggered revert due to build breakage in b/348142863. Will be verifying through ABTD before submission.

Change-Id: Ia18f83e9261e395cf5f76669523bd6f4a5e9ba49
diff --git a/cc/config/global.go b/cc/config/global.go
index d2faff2..62a4765 100644
--- a/cc/config/global.go
+++ b/cc/config/global.go
@@ -376,6 +376,8 @@
 		"-Wno-unqualified-std-cast-call",
 		"-Wno-array-parameter",
 		"-Wno-gnu-offsetof-extensions",
+		// TODO: Enable this warning http://b/315245071
+		"-Wno-fortify-source",
 	}
 
 	llvmNextExtraCommonGlobalCflags = []string{