[Android] Fix handling of intentional crashes during death tests.

testing/android/native_test/native_test_launcher.cc

Index: testing/android/native_test/native_test_launcher.cc
diff --git a/testing/android/native_test/native_test_launcher.cc b/testing/android/native_test/native_test_launcher.cc
index 3b5ee8328036995724e78db3404578468ed62cad..aadf06af48f958c30f4eb3f051dd2c36afce3014 100644
--- a/testing/android/native_test/native_test_launcher.cc
+++ b/testing/android/native_test/native_test_launcher.cc
@@ -50,7 +50,7 @@ struct sigaction g_old_sa[NSIG];
 // This function runs in a compromised context. It should not allocate memory.
 void SignalHandler(int sig, siginfo_t* info, void* reserved) {
   // Output the crash marker.
-  write(STDOUT_FILENO, kCrashedMarker, sizeof(kCrashedMarker));
+  write(STDOUT_FILENO, kCrashedMarker, sizeof(kCrashedMarker) - 1);
   g_old_sa[sig].sa_sigaction(sig, info, reserved);
 }