Experiment with a larger packet timeout.

This is a follow-up to r357829 (https://reviews.llvm.org/D60340) to
see whether increasing the packet timeout for non-asan builds could
also positively affect the stability of non-asan bots.

llvm-svn: 357954

lldb/source/Plugins/Process/gdb-remote/ProcessGDBRemote.cpp

@@ -111,10 +111,10 @@ void DumpProcessGDBRemotePacketHistory(void *p, const char *path) {
 namespace {
 
 static constexpr PropertyDefinition g_properties[] = {
-    {"packet-timeout", OptionValue::eTypeUInt64, true, 1
+    {"packet-timeout", OptionValue::eTypeUInt64, true, 5
 #if defined(__has_feature)
 #if __has_feature(address_sanitizer)
-      + 4
+      * 2
 #endif
 #endif
       , NULL, {},