Update pom.xml to latest released android 18 version.

Change-Id: Ieafc71876b20f0930d5e39166de5c18334df512f
diff --git a/pom.xml b/pom.xml
index 241e6f5..eac20bc 100644
--- a/pom.xml
+++ b/pom.xml
@@ -77,14 +77,14 @@
         <dependency>
             <groupId>android</groupId>
             <artifactId>android</artifactId>
-            <version>4.3_r1</version>
+            <version>4.3_r2</version>
             <scope>provided</scope>
         </dependency>
 
         <dependency>
             <groupId>com.google.android.maps</groupId>
             <artifactId>maps</artifactId>
-            <version>18_r2</version>
+            <version>18_r3</version>
             <scope>provided</scope>
         </dependency>