alts: fix ComputeEngineChannelBuilder class signature
diff --git a/alts/src/main/java/io/grpc/alts/ComputeEngineChannelBuilder.java b/alts/src/main/java/io/grpc/alts/ComputeEngineChannelBuilder.java
index f12de57..d9eaba8 100644
--- a/alts/src/main/java/io/grpc/alts/ComputeEngineChannelBuilder.java
+++ b/alts/src/main/java/io/grpc/alts/ComputeEngineChannelBuilder.java
@@ -39,7 +39,7 @@
* using ALTS if applicable and using TLS as fallback.
*/
public final class ComputeEngineChannelBuilder
- extends ForwardingChannelBuilder<GoogleDefaultChannelBuilder> {
+ extends ForwardingChannelBuilder<ComputeEngineChannelBuilder> {
private final NettyChannelBuilder delegate;