Use Absl Release Mode for Mutex

Absl debug mode for mutex has debug checkers that allocate heap memory
and never free it for debugging and logging purposes.
This is actually causing our bmcweb to accumulate in RSS usage and
can cause the entire system to crash from OOM.

Tested:
Multiple tests on different platforms lead to stable usage of memory.

fusion:
https://fusion2.corp.google.com/b79653ed-eecd-3e80-a7f7-99cbfe417ef5
https://fusion2.corp.google.com/f5fbecd8-bfdb-312b-9ac1-0659c770acd4
https://fusion2.corp.google.com/aa654091-ecb0-3f85-ab92-bef43b45486f

Platforms-Affected: All TTF systems
Google-Bug-Id: 366281170
Change-Id: I96716aea422fac5f065af21722d2ffa5859b6fa5
Signed-off-by: Edward Lee <edwarddl@google.com>
(cherry picked from commit 11ca9c9d7af249c3644ff06ded38aebe2bd18236)
Signed-off-by: Willy Tu <wltu@google.com>
(cherry picked from commit d8e503a8067477f4086df38ddd8d6ef8c28006c2)
diff --git a/recipes-devtools/abseil-cpp/abseil-cpp_%.bbappend b/recipes-devtools/abseil-cpp/abseil-cpp_%.bbappend
index 46db64f..ffea86a 100644
--- a/recipes-devtools/abseil-cpp/abseil-cpp_%.bbappend
+++ b/recipes-devtools/abseil-cpp/abseil-cpp_%.bbappend
@@ -6,6 +6,6 @@
 
 SRC_URI:remove:gbmc = " file://0004-Avoid-using-both-Win32Waiter-and-PthreadWaiter-on-Mi.patch"
 
-FILESEXTRAPATHS:prepend:gbmc:bmcweb_multithread := "${THISDIR}/${PN}:"
+FILESEXTRAPATHS:prepend:gbmc := "${THISDIR}/${PN}:"
 
-SRC_URI:append:gbmc:bmcweb_multithread = " file://0001-Set-NDEBUG-to-true-to-avoid-DebugOnlyChecks.patch"
+SRC_URI:append:gbmc = " file://0001-Set-NDEBUG-to-true-to-avoid-DebugOnlyChecks.patch"