metrics: add TPM.EarlyResetDuringCommand CrOS event.

This is reported if the TPM was reset during a command
in the first 30 seconds of the previous boot session.

BUG=chromium:431360
TEST=none
BRANCH=none

Change-Id: I66fb453094e5281301cb39d9b86ba5f9c82c10f6
Reviewed-on: https://chromium-review.googlesource.com/261357
Tested-by: Luigi Semenzato <semenzato@chromium.org>
Reviewed-by: Darren Krahn <dkrahn@chromium.org>
Commit-Queue: Luigi Semenzato <semenzato@chromium.org>
diff --git a/metrics/metrics_library.cc b/metrics/metrics_library.cc
index b641528..70c8eac 100644
--- a/metrics/metrics_library.cc
+++ b/metrics/metrics_library.cc
@@ -42,6 +42,7 @@
   "SpringPowerSupply.Original.Low",  // 9
   "SpringPowerSupply.ChargerIdle",  // 10
   "TPM.NonZeroDictionaryAttackCounter",  // 11
+  "TPM.EarlyResetDuringCommand",  // 12
 };
 
 time_t MetricsLibrary::cached_enabled_time_ = 0;