Fix BUILD file for import.

src/proto/grpc/testing/xds/v3/BUILD

@@ -42,7 +42,7 @@ grpc_proto_library(
     ],
     well_known_protos = True,
     deps = [
-        ":percent_proto",
+        "percent_proto",
     ],
 )
 
@@ -61,8 +61,8 @@ grpc_proto_library(
     ],
     well_known_protos = True,
     deps = [
-        ":base_proto",
-        ":status_proto",
+        "base_proto",
+        "status_proto",
     ],
 )
 
@@ -74,7 +74,7 @@ grpc_proto_library(
     has_services = True,
     well_known_protos = True,
     deps = [
-        ":discovery_proto",
+        "discovery_proto",
     ],
 )
 
@@ -91,7 +91,7 @@ grpc_proto_library(
         "cluster.proto",
     ],
     deps = [
-        ":config_source_proto",
+        "config_source_proto",
     ],
 )
 
@@ -102,9 +102,9 @@ grpc_proto_library(
     ],
     well_known_protos = True,
     deps = [
-        ":address_proto",
-        ":base_proto",
-        ":percent_proto",
+        "address_proto",
+        "base_proto",
+        "percent_proto",
     ],
 )
 
@@ -123,8 +123,8 @@ grpc_proto_library(
     ],
     well_known_protos = True,
     deps = [
-        ":address_proto",
-        ":base_proto",
+        "address_proto",
+        "base_proto",
     ],
 )
 
@@ -136,8 +136,8 @@ grpc_proto_library(
     has_services = True,
     well_known_protos = True,
     deps = [
-        ":base_proto",
-        ":load_report_proto",
+        "base_proto",
+        "load_report_proto",
     ],
 )
 
@@ -169,10 +169,10 @@ grpc_proto_library(
     ],
     well_known_protos = True,
     deps = [
-        ":base_proto",
-        ":percent_proto",
-        ":range_proto",
-        ":regex_proto",
+        "base_proto",
+        "percent_proto",
+        "range_proto",
+        "regex_proto",
     ],
 )
 
@@ -182,7 +182,7 @@ grpc_proto_library(
         "http_connection_manager.proto",
     ],
     deps = [
-        ":config_source_proto",
-        ":route_proto",
+        "config_source_proto",
+        "route_proto",
     ],
 )