Update APIs to use new Google cloud paths.

common/proto/google/descriptor/util_test.proto

Index: common/proto/google/descriptor/util_test.proto
diff --git a/common/proto/google/descriptor/util_test.proto b/common/proto/google/descriptor/util_test.proto
deleted file mode 100644
index 163d529aebe498d484426f909bc42a6873b0f73b..0000000000000000000000000000000000000000
--- a/common/proto/google/descriptor/util_test.proto
+++ /dev/null
@@ -1,82 +0,0 @@
-syntax = "proto3";
-
-package pkg;
-
-
-// Enum comment.
-// next line.
-enum E1 {
-	// V0
-	// next line.
-	V0 = 0;
-	// V1
-	// next line.
-	V1 = 1;
-}
-
-// M1
-// next line.
-message M1 {
-	// f1
-	// next line.
-	string f1 = 1;
-}
-
-// M2
-// next line.
-message M2 {
-	// f1
-	// next line.
-	repeated M1 f1 = 1;
-	// f2
-	// next line.
-	E1 f2 = 2;
-}
-
-// M3
-message M3 {
-	// O1
-	oneof O1 {
-		// f1
-		int32 f1 = 1;
-		// f2
-		int32 f2 = 2;
-	}
-	// O2
-	oneof O2 {
-		// f3
-		int32 f3 = 3;
-		// f4
-		int32 f4 = 4;
-	}
-	// f5
-	string f5 = 5;
-	// f6
-	int32 f6 = 6;
-}
-
-
-// S1
-service S1 {
-	// R1
-	rpc R1(M1) returns (M2) {};
-}
-
-// S2
-service S2 {
-	// R1
-	rpc R1(M1) returns (M2) {};
-	// R2
-	rpc R2(M1) returns (M2) {};
-}
-
-message NestedMessageParent {
-	message NestedMessage {
-		int32 f1 = 1;
-		int32 f2 = 2;
-	}
-	enum NestedEnum {
-		V0 = 0;
-		V1 = 1;
-	}
-}