HADOOP-18300. Upgrade Gson dependency to version 2.9.0 (#4454)

Reviewed-by: Ayush Saxena <ayushsaxena@apache.org>
Signed-off-by: Chris Nauroth <cnauroth@apache.org>
(cherry picked from commit 77d1b194c77ec62dc31f89e15594bc1250d88de3)
(cherry picked from commit d41e0a9cc30c9dbf4ba311b3ed18a6942a160287)

hadoop-client-modules/hadoop-client-minicluster/pom.xml

@@ -723,6 +723,12 @@
                         <exclude>testdata/*</exclude>
                       </excludes>
                     </filter>
+                    <filter>
+                      <artifact>com.google.code.gson:gson</artifact>
+                      <excludes>
+                        <exclude>META-INF/versions/9/module-info.class</exclude>
+                      </excludes>
+                    </filter>
                     <!-- Mockito tries to include its own unrelocated copy of hamcrest. :( -->
                     <filter>
                       <artifact>org.mockito:mockito-all</artifact>

hadoop-client-modules/hadoop-client-runtime/pom.xml

@@ -232,6 +232,13 @@
                         <exclude>update*</exclude>
                       </excludes>
                     </filter>
+                    <filter>
+                      <artifact>com.google.code.gson:gson</artifact>
+                      <excludes>
+                        <exclude>META-INF/versions/9/module-info.class</exclude>
+                      </excludes>
+                    </filter>
+
                   </filters>
                   <relocations>
                     <relocation>

hadoop-project/pom.xml

@@ -129,7 +129,7 @@
     <okhttp.version>2.7.5</okhttp.version>
     <jdom.version>1.1</jdom.version>
     <grizzly.version>2.2.21</grizzly.version>
-    <gson.version>2.8.9</gson.version>
+    <gson.version>2.9.0</gson.version>
     <htrace3.version>3.1.0-incubating</htrace3.version>
     <htrace4.version>4.1.0-incubating</htrace4.version>
     <metrics.version>3.2.4</metrics.version>