Add Timestamp filter to ListMeasurementsRequest (#214)

Add filters for the prober to check previous measurements within a certain timeframe, and prober should NOT use internal stubs

src/main/proto/wfa/measurement/api/v2alpha/BUILD.bazel

@@ -542,6 +542,7 @@ proto_library(
         "@com_google_googleapis//google/api:client_proto",
         "@com_google_googleapis//google/api:field_behavior_proto",
         "@com_google_googleapis//google/api:resource_proto",
+        "@com_google_protobuf//:timestamp_proto",
     ],
 )
 

src/main/proto/wfa/measurement/api/v2alpha/measurements_service.proto

@@ -19,6 +19,7 @@ package wfa.measurement.api.v2alpha;
 import "google/api/client.proto";
 import "google/api/field_behavior.proto";
 import "google/api/resource.proto";
+import "google/protobuf/timestamp.proto";
 import "wfa/measurement/api/v2alpha/measurement.proto";
 
 option java_package = "org.wfanet.measurement.api.v2alpha";
@@ -119,6 +120,24 @@ message ListMeasurementsRequest {
     // (-- api-linter: core::0216::state-field-output-only=disabled
     //     aip.dev/not-precedent: This is not a resource state field. --)
     repeated Measurement.State states = 1;
+    // Filter for measurements that are updated after a certain timestamp
+    //
+    // (-- api-linter: core::0140::prepositions=disabled
+    //     api-linter: core::0142::time-field-names=disabled
+    //     aip.dev/not-precedent: Make timestamp filter name consistent --)
+    google.protobuf.Timestamp updated_after = 4;
+    // Filter for measurements that are updated before a certain timestamp
+    //
+    // (-- api-linter: core::0140::prepositions=disabled
+    //     api-linter: core::0142::time-field-names=disabled
+    //     aip.dev/not-precedent: Make timestamp filter name consistent --)
+    google.protobuf.Timestamp updated_before = 8;
+    // Filter for measurements that are created before a certain timestamp
+    //
+    // (-- api-linter: core::0140::prepositions=disabled
+    //     api-linter: core::0142::time-field-names=disabled
+    //     aip.dev/not-precedent: Make timestamp filter name consistent --)
+    google.protobuf.Timestamp created_before = 9;
   }
   // Filter criteria.
   //