logging_test: Disable ForkSafe temporarily

The ForkSafe test is flacky, occasionally failing with

 nnapi-0.0.2-r5: qemu: uncaught target signal 6 (Aborted) - core dumped

Therefore, mark it as disabled.

BUG=b:217436422
TEST=cq

Change-Id: Icba6c6d6cf40a36de35420f266179491138796bf
Reviewed-on: https://chromium-review.googlesource.com/c/aosp/platform/system/libbase/+/3541529
Reviewed-by: Jim Pollock <jmpollock@chromium.org>
Commit-Queue: Yu-Ping Wu <yupingso@chromium.org>
Tested-by: Yu-Ping Wu <yupingso@chromium.org>
Owners-Override: Yu-Ping Wu <yupingso@chromium.org>
diff --git a/logging_test.cpp b/logging_test.cpp
index be2e042..f672430 100644
--- a/logging_test.cpp
+++ b/logging_test.cpp
@@ -654,7 +654,9 @@
   EXPECT_TRUE(old_function);
 }
 
-TEST(logging, ForkSafe) {
+// b/217436422): ForkSafe is disabled due to "qemu: uncaught target signal 6
+// (Aborted)" issue that happened occasionally.
+TEST(logging, DISABLED_ForkSafe) {
 #if !defined(_WIN32)
   using namespace android::base;
   SetLogger(