Bump ASAN quarantine to 32GB

This is a workaround for very hard to trace crashes happening
in ASAN quarantine recycling, triggered by Mesa graphics libraries.

The 32G quarantine size is huge, but for now the workers are able
to accomodate this, and all current tests run to completion.

b/312772759
b/321746394

starboard/linux/shared/gyp_configuration.py

@@ -39,4 +39,6 @@ def GetTestEnvVariables(self):
     # When failing, 'LeakSanitizer has encountered a fatal error' message would
     # be printed at test shutdown, and env var LSAN_OPTIONS=verbosity=2 would
     # further point to 'Scanning DTLS range ..' prior to crash.
-    return {'ASAN_OPTIONS': 'intercept_tls_get_addr=0'}
+    # quarantine_size is temporarily set to a huge value to prevent recycling
+    # from happening, as it crashes on Debian11+Mesa. TODO: b/321746394
+    return {'ASAN_OPTIONS': 'intercept_tls_get_addr=0:quarantine_size_mb=32768'}