api: Fix bad docblock indentation.

Also fix resulting line-too-long lint errors, but not other
existing instances of line-too-long errors.

BUG=b:233893248
TEST=cros lint

Change-Id: I75ebbcab5236551dea618f34783ec2fea7af60f1
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/chromite/+/3943256
Tested-by: Alex Klein <saklein@chromium.org>
Reviewed-by: Sloan Johnson <sloanjohnson@google.com>
Auto-Submit: Alex Klein <saklein@chromium.org>
Commit-Queue: Sloan Johnson <sloanjohnson@google.com>
diff --git a/api/metrics.py b/api/metrics.py
index 8b66cd3..b51e5e1 100644
--- a/api/metrics.py
+++ b/api/metrics.py
@@ -22,8 +22,8 @@
     infra/proto/src/chromiumos/metrics.proto output type.
 
     Args:
-      output_events: A chromiumos.MetricEvent protobuf message.
-      prefix: A string to prepend to all metric event names.
+        output_events: A chromiumos.MetricEvent protobuf message.
+        prefix: A string to prepend to all metric event names.
     """
     counters = collections.defaultdict(int)
     counter_times = {}