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/binhost.py b/api/controller/binhost.py
index 7653b6e..3f230d8 100644
--- a/api/controller/binhost.py
+++ b/api/controller/binhost.py
@@ -103,9 +103,9 @@
     See BinhostService documentation in api/proto/binhost.proto.
 
     Args:
-      input_proto: The input proto.
-      output_proto: The output proto.
-      config: The API call config.
+        input_proto: The input proto.
+        output_proto: The output proto.
+        config: The API call config.
     """
     if input_proto.sysroot.build_target.name:
         build_target_msg = input_proto.sysroot.build_target
@@ -176,9 +176,9 @@
     See BinhostService documentation in api/proto/binhost.proto.
 
     Args:
-      input_proto: The input proto.
-      output_proto: The output proto.
-      config: The API call config.
+        input_proto: The input proto.
+        output_proto: The output proto.
+        config: The API call config.
     """
     sysroot_path = input_proto.sysroot.path
 
@@ -242,9 +242,9 @@
     See BinhostService documentation in api/proto/binhost.proto.
 
     Args:
-      input_proto: The input proto.
-      output_proto: The output proto.
-      _config: The API call config.
+        input_proto: The input proto.
+        output_proto: The output proto.
+        _config: The API call config.
     """
     target = input_proto.build_target.name
     key = binhost_pb2.BinhostKey.Name(input_proto.key)
@@ -276,9 +276,9 @@
     See BinhostService documentation in api/proto/binhost.proto.
 
     Args:
-      input_proto: The input proto.
-      output_proto: The output proto.
-      _config: The API call config.
+        input_proto: The input proto.
+        output_proto: The output proto.
+        _config: The API call config.
     """
     chroot = controller_util.ParseChroot(input_proto.chroot)
     overlay_type = input_proto.overlay_type