HBASE-21996 Set locale for javadoc

Signed-off-by: Jan Hentschel <jan.hentschel@ultratendency.com>

Author: petersomogyi

pom.xml

@@ -3834,6 +3834,7 @@
               <fixMethodComment>true</fixMethodComment>
               <fixTags>all</fixTags>
               <notimestamp>true</notimestamp>
+              <locale>en_US</locale>
               <!-- Pass some options straight to the javadoc executable since it is easier -->
               <additionalJOption>-J-Xmx2G</additionalJOption>
               <!-- JDK8 javadoc requires test scope transitive dependencies due to our custom doclet -->
@@ -3876,6 +3877,7 @@
               <fixMethodComment>true</fixMethodComment>
               <fixTags>all</fixTags>
               <notimestamp>true</notimestamp>
+              <locale>en_US</locale>
               <!-- Pass some options straight to the javadoc executable since it is easier -->
               <additionalJOption>-J-Xmx2G</additionalJOption>
               <!-- JDK8 javadoc requires test scope transitive dependencies due to our custom doclet -->
@@ -3930,6 +3932,7 @@
               <fixMethodComment>true</fixMethodComment>
               <fixTags>all</fixTags>
               <notimestamp>true</notimestamp>
+              <locale>en_US</locale>
               <!-- Pass some options straight to the javadoc executable since it is easier -->
               <additionalJOption>-J-Xmx2G</additionalJOption>
               <!-- JDK8 javadoc requires test scope transitive dependencies due to our custom doclet -->
@@ -3983,6 +3986,7 @@
               <fixMethodComment>true</fixMethodComment>
               <fixTags>all</fixTags>
               <notimestamp>true</notimestamp>
+              <locale>en_US</locale>
               <!-- Pass some options straight to the javadoc executable since it is easier -->
               <additionalJOption>-J-Xmx2G</additionalJOption>
               <!-- JDK8 javadoc requires test scope transitive dependencies due to our custom doclet -->