Create and log atom SystemServerWatchdogOccurred, TombStoneOccurred.

Bug: 126127632
Change-Id: I1e78069589185a4702d65cd026bc44b374a31f0a
Fix: 126127632
Test: none
diff --git a/cmds/statsd/src/atoms.proto b/cmds/statsd/src/atoms.proto
index d34b077..cadc3a0 100644
--- a/cmds/statsd/src/atoms.proto
+++ b/cmds/statsd/src/atoms.proto
@@ -257,6 +257,8 @@
         NetworkStackReported network_stack_reported = 182;
         AppMovedStorageReported app_moved_storage_reported = 183;
         BiometricEnrolled biometric_enrolled = 184;
+        SystemServerWatchdogOccurred system_server_watchdog_occurred = 185;
+        TombStoneOccurred tomb_stone_occurred = 186;
     }
 
     // Pulled events will start at field 10000.
@@ -3493,6 +3495,23 @@
     optional string package_name = 3;
 }
 
+/**
+ * Logs when system server watchdog occurs.
+ * Logged from:
+ *      frameworks/base/services/core/java/com/android/server/Watchdog.java
+ */
+message SystemServerWatchdogOccurred {
+    optional string subject = 1;
+}
+
+/**
+ * Logs when new file added to tombstones.
+ * Logged from:
+ *      frameworks/base/core/java/com/android/server/BootReceiver.java
+ */
+message TombStoneOccurred {
+}
+
 //////////////////////////////////////////////////////////////////////
 // Pulled atoms below this line //
 //////////////////////////////////////////////////////////////////////