Update Java version number and dependency.

java/core/pom.xml

@@ -6,7 +6,7 @@
   <parent>
     <groupId>com.google.protobuf</groupId>
     <artifactId>protobuf-parent</artifactId>
-    <version>3.2.0</version>
+    <version>3.3.0</version>
   </parent>
 
   <artifactId>protobuf-java</artifactId>

java/pom.xml

@@ -11,7 +11,7 @@
 
   <groupId>com.google.protobuf</groupId>
   <artifactId>protobuf-parent</artifactId>
-  <version>3.2.0</version>
+  <version>3.3.0</version>
   <packaging>pom</packaging>
 
   <name>Protocol Buffers [Parent]</name>
@@ -84,7 +84,13 @@
       <dependency>
         <groupId>com.google.guava</groupId>
         <artifactId>guava</artifactId>
-        <version>18.0</version>
+        <version>20.0</version>
+      </dependency>
+      <dependency>
+        <groupId>com.google.truth</groupId>
+        <artifactId>truth</artifactId>
+        <scope>test</scope>
+        <version>0.32</version>
       </dependency>
     </dependencies>
   </dependencyManagement>

java/util/pom.xml

@@ -6,7 +6,7 @@
   <parent>
     <groupId>com.google.protobuf</groupId>
     <artifactId>protobuf-parent</artifactId>
-    <version>3.2.0</version>
+    <version>3.3.0</version>
   </parent>
 
   <artifactId>protobuf-java-util</artifactId>