api: Fix checkstyle line length in EquivalentAddressGroup

Author: stagegrowth

api/src/main/java/io/grpc/EquivalentAddressGroup.java

@@ -114,8 +114,8 @@ public Attributes getAttributes() {
   @Override
   public String toString() {
     // EquivalentAddressGroup is intended to contain a small number of addresses for the same endpoint
-    // (e.g., IPv4/IPv6). Aggregating many groups into a single EquivalentAddressGroup is no longer done,
-    // so this no longer needs summarization.
+    // (e.g., IPv4/IPv6). Aggregating many groups into a single EquivalentAddressGroup is no
+    // longer done, so this no longer needs summarization.
     return "[" + addrs + "/" + attrs + "]";
   }