api: Fix docstring-section-indent errors

Fix docstring-section-indent errors and resulting line-too-long
errors, but not other existing line-too-long errors.

BUG=b:233893248
TEST=cros lint

Change-Id: I552ce489aaabce6e6600e2518385569ce59b134e
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/chromite/+/3947314
Reviewed-by: Gilberto Contreras <gcontreras@google.com>
Tested-by: Alex Klein <saklein@chromium.org>
Auto-Submit: Alex Klein <saklein@chromium.org>
Commit-Queue: Gilberto Contreras <gcontreras@google.com>
diff --git a/api/controller/artifacts_unittest.py b/api/controller/artifacts_unittest.py
index 6f1fc23..6404276 100644
--- a/api/controller/artifacts_unittest.py
+++ b/api/controller/artifacts_unittest.py
@@ -707,10 +707,10 @@
         """Helper to create a request message instance.
 
         Args:
-          chroot: The chroot path.
-          sysroot: The sysroot path.
-          build_target: The build target name.
-          output_dir: The output directory.
+            chroot: The chroot path.
+            sysroot: The sysroot path.
+            build_target: The build target name.
+            output_dir: The output directory.
         """
         return artifacts_pb2.BundleRequest(
             sysroot={"path": sysroot, "build_target": {"name": build_target}},
@@ -863,10 +863,10 @@
         """Helper to build out an input message instance.
 
         Args:
-          chroot: The chroot path.
-          sysroot: The sysroot path relative to the chroot.
-          test_results_dir: The test results directory relative to the sysroot.
-          output_dir: The directory where the results tarball should be saved.
+            chroot: The chroot path.
+            sysroot: The sysroot path relative to the chroot.
+            test_results_dir: The test results directory relative to the sysroot.
+            output_dir: The directory where the results tarball should be saved.
         """
         return artifacts_pb2.BundleVmFilesRequest(
             chroot={"path": chroot},