bootstat: Three more boot reasons.

Bug: none
Test: none
Change-Id: I37b6ed6ce73f403aa5f9db2c0234e9dc4c0f7c01
diff --git a/bootstat/bootstat.cpp b/bootstat/bootstat.cpp
index 05474ef..63b36f4 100644
--- a/bootstat/bootstat.cpp
+++ b/bootstat/bootstat.cpp
@@ -235,6 +235,9 @@
     {"abnormal_reset", 95},
     {"oemerr_unknown", 96},
     {"reboot_fastboot_mode", 97},
+    {"watchdog_apps_bite", 98},
+    {"xpu_err", 99},
+    {"power_on_usb", 100},
 };
 
 // Converts a string value representing the reason the system booted to an