HADOOP-19680. Update non-thirdparty Guava version to 32.0.1 (#7940)

The unshaded guava version bundled in Hadoop is now set to 32.0.1.

As the version of guava used in hadoop is the shaded hadoop-thirdparty copy, this change only affects libraries used by hadoop (excluding curator, which uses its own shaded copy), and any downstream applications. 

Contributed by Istvan Toth

Author: stoty

hadoop-project/pom.xml

@@ -111,7 +111,7 @@
     <findbugs.version>3.0.5</findbugs.version>
     <dnsjava.version>3.6.1</dnsjava.version>
 
-    <guava.version>27.0-jre</guava.version>
+    <guava.version>32.0.1-jre</guava.version>
     <guice.version>5.1.0</guice.version>
 
     <bouncycastle.version>1.78.1</bouncycastle.version>