fix(build): Fully qualify yield call to avoid java 17 compilation error (#27006)

## Description
Updates `yield` call to use fully-qualified call

## Motivation and Context
In java 14+, compilation will error if a restricted name is used and
`yield` is a restricted in 14+.

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## Release Notes
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```
== NO RELEASE NOTE ==
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Signed-off-by: kiersten-stokes <kierstenstokes@gmail.com>

Author: kiersten-stokes

presto-main-base/src/main/java/com/facebook/presto/operator/PageBuffer.java

@@ -18,7 +18,6 @@
 
 import static com.facebook.presto.operator.WorkProcessor.ProcessState.finished;
 import static com.facebook.presto.operator.WorkProcessor.ProcessState.ofResult;
-import static com.facebook.presto.operator.WorkProcessor.ProcessState.yield;
 import static com.google.common.base.Preconditions.checkState;
 import static java.util.Objects.requireNonNull;
 
@@ -41,7 +40,7 @@ public WorkProcessor<Page> pages()
                 return ofResult(result);
             }
 
-            return yield();
+            return WorkProcessor.ProcessState.yield();
         });
     }