linux/android: add SIGTRAP to the list of signals handled by the client

src/client/linux/handler/exception_handler.cc

 // Copyright (c) 2010 Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 // notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
@@ skipping 100 matching lines @@
   return 0;
 }
 
 namespace google_breakpad {
 
 namespace {
 // The list of signals which we consider to be crashes. The default action for
 // all these signals must be Core (see man 7 signal) because we rethrow the
 // signal after handling it and expect that it'll be fatal.
 const int kExceptionSignals[] = {
-  SIGSEGV, SIGABRT, SIGFPE, SIGILL, SIGBUS
+  SIGSEGV, SIGABRT, SIGFPE, SIGILL, SIGBUS, SIGTRAP
 };
 const int kNumHandledSignals =
     sizeof(kExceptionSignals) / sizeof(kExceptionSignals[0]);
 struct sigaction old_handlers[kNumHandledSignals];
 bool handlers_installed = false;
 
 // InstallAlternateStackLocked will store the newly installed stack in new_stack
 // and (if it exists) the previously installed stack in old_stack.
 stack_t old_stack;
 stack_t new_stack;
@@ skipping 624 matching lines @@
   descriptor.UpdatePath();
   if (!google_breakpad::WriteMinidump(descriptor.path(),
                                       child,
                                       child_blamed_thread))
       return false;
 
   return callback ? callback(descriptor, callback_context, true) : true;
 }
 
 }  // namespace google_breakpad