java: Replace the io.v:vanadium-android with io.v:vanadium-without-natives

The io.v:vanadium-without-natives doesn't contain the large .so files
and allows us to keep the dependecy on the VomUtil.

Change-Id: I3063d46fb7b55b784c22ed5410963733f483b575
diff --git a/syncbase/build.gradle b/syncbase/build.gradle
index b6c9ec3..25bbe92 100644
--- a/syncbase/build.gradle
+++ b/syncbase/build.gradle
@@ -130,7 +130,7 @@
 dependencies {
     compile fileTree(dir: 'libs', include: ['*.jar'])
     compile 'com.android.support:appcompat-v7:23.4.0'
-    compile 'io.v:vanadium-android:2.1.7'
+    compile 'io.v:vanadium-without-natives:2.2.3'
     testCompile 'com.google.truth:truth:0.28'
     testCompile 'junit:junit:4.12'
     // We need to overwrite org.json because it's mocked by default. For some reason setting