[SyzyAsan] Enable Crashpad reporter as a 50/50 experiment.

syzygy/agent/asan/rtl_unittest.cc

 // Copyright 2012 Google Inc. All Rights Reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
 // You may obtain a copy of the License at
 //
 //     http://www.apache.org/licenses/LICENSE-2.0
 //
 // Unless required by applicable law or agreed to in writing, software
 // distributed under the License is distributed on an "AS IS" BASIS,
@@ skipping 642 matching lines @@
       ::GetProcAddress(asan_rtl_, "asan_EnumExperiments"));
   ASSERT_TRUE(enum_experiments_fn != nullptr);
 
   ExperimentMap experiments;
   experiment_map = &experiments;
   enum_experiments_fn(ExperimentCallback);
   experiment_map = nullptr;
 
   EXPECT_EQ("Enabled", experiments["SyzyASANPageProtections"]);
   EXPECT_EQ("Enabled", experiments["SyzyASANLargeBlockHeap"]);
+  EXPECT_EQ("Disabled", experiments["SyzyASANCrashpad"]);
 
   // This implicitly asserts the full contents of the map by asserting
   // on the size after looking up the expected keys.
-  EXPECT_EQ(2U, experiments.size());
+  EXPECT_EQ(3U, experiments.size());
 }
 
 }  // namespace asan
 }  // namespace agent