Mark the leak of bug 77990 as intentional and adjust the suppression

tools/valgrind/memcheck/suppressions.txt

Index: tools/valgrind/memcheck/suppressions.txt
===================================================================
--- tools/valgrind/memcheck/suppressions.txt	(revision 113440)
+++ tools/valgrind/memcheck/suppressions.txt	(working copy)
@@ -985,6 +985,16 @@
    fun:_ZN3net18SSLClientSocketNSS15DoHandshakeLoopEi
 }
 {
+   # Intentionally leaking NSS to prevent shutdown crashes
+   bug_77990 (Intentional)
+   Memcheck:Leak
+   fun:calloc
+   ...
+   fun:error_get_my_stack
+   fun:nss_ClearErrorStack
+   fun:NSSArena_Destroy
+}
+{
    bug_83345 (Needs_Annotation)
    Memcheck:Leak
    ...
@@ -3208,23 +3218,6 @@
    fun:*ResolveProxyMsgHelperTest_*_Test8TestBodyEv
 }
 {
-   bug_77990
-   Memcheck:Leak
-   fun:calloc
-   ...
-   fun:error_get_my_stack
-   fun:nss_ClearErrorStack
-   fun:NSSArena_Destroy
-   fun:nssList_Destroy
-   fun:nssCertificateStore_RemoveCertLOCKED
-   fun:nssCertificate_Destroy
-   ...
-   fun:ssl_DestroySID
-   fun:ssl_FreeLockedSID
-   fun:UncacheSID
-   fun:SSL_ClearSessionCache
-}
-{
    bug_78201
    Memcheck:Leak
    fun:_Znw*