autotest: change db metric to match other names

Also some whitespace cleanup.

BUG=chromium:810966
TEST=None

Change-Id: I35e02da58ee5dae7834c589433c8db5a8b08228c
Reviewed-on: https://chromium-review.googlesource.com/1016169
Commit-Ready: Jacob Kopczynski <jkop@chromium.org>
Tested-by: Jacob Kopczynski <jkop@chromium.org>
Reviewed-by: Paul Hobbs <phobbs@google.com>
Reviewed-by: Dan Shi <dshi@google.com>
diff --git a/site_utils/check_slave_db_delay.py b/site_utils/check_slave_db_delay.py
index db76ddc..0e29523 100755
--- a/site_utils/check_slave_db_delay.py
+++ b/site_utils/check_slave_db_delay.py
@@ -32,7 +32,7 @@
 # SQL command to remove old test results in TKO database.
 SLAVE_STATUS_CMD = 'show slave status\G'
 DELAY_TIME_REGEX = 'Seconds_Behind_Master:\s(\d+)'
-DELAY_METRICS = 'chromeos/autotest/database/seconds_behind_master'
+DELAY_METRICS = 'chromeos/autotest/afe_db/seconds_behind_master'
 # A large delay to report to metrics indicating the replica is in error.
 LARGE_DELAY = 1000000
 
diff --git a/site_utils/stats/mysql_stats.py b/site_utils/stats/mysql_stats.py
index 085272e..aeeb63d 100755
--- a/site_utils/stats/mysql_stats.py
+++ b/site_utils/stats/mysql_stats.py
@@ -33,22 +33,22 @@
 LOOP_INTERVAL = 60
 
 EMITTED_STATUSES_COUNTERS = [
-        'bytes_received',
-        'bytes_sent',
-        'connections',
-        'Innodb_buffer_pool_read_requests',
-        'Innodb_buffer_pool_reads',
-        'Innodb_row_lock_waits',
-        'questions',
-        'slow_queries',
-        'threads_created',
+    'bytes_received',
+    'bytes_sent',
+    'connections',
+    'Innodb_buffer_pool_read_requests',
+    'Innodb_buffer_pool_reads',
+    'Innodb_row_lock_waits',
+    'questions',
+    'slow_queries',
+    'threads_created',
 ]
 
 EMITTED_STATUS_GAUGES = [
-        'Innodb_row_lock_time_avg',
-        'Innodb_row_lock_current_waits',
-        'threads_running',
-        'threads_connected',
+    'Innodb_row_lock_time_avg',
+    'Innodb_row_lock_current_waits',
+    'threads_running',
+    'threads_connected',
 ]