Import changes.

  - 45df75fe091e6943c677e9f35b6abf5e13000eed

GitOrigin-RevId: 45df75fe091e6943c677e9f35b6abf5e13000eed

Author: Aalyria Technologies, Inc

api/scheduling/v1alpha/scheduling.proto

@@ -278,6 +278,9 @@ message DeleteBeam {
 
 // BeamTarget type will be populated according to the Antenna.pointing_format
 // field specified in the relevant Model entities.
+//
+// This message will not be populated when the antenna's pointing format is 
+// unset.
 message BeamTarget {
   oneof target {
     Cartesian cartesian = 4;