java: Release 2.1.9

This includes Ivan's recent ACL enforcement changes.

The changes seemed to be compatible with TODOs, so this has already
been released.

Change-Id: I796b69278d4c866b3ec1a896aff69f02e91a7ac9
diff --git a/android-lib/build.gradle b/android-lib/build.gradle
index abfa8cd..28d60c5 100644
--- a/android-lib/build.gradle
+++ b/android-lib/build.gradle
@@ -30,7 +30,7 @@
 
 // You should change this after releasing a new version of the library. See the
 // list of published versions at https://repo1.maven.org/maven2/io/v/vanadium-android.
-def releaseVersion = '2.1.8'
+def releaseVersion = '2.1.9'
 
 android {
     buildToolsVersion '23.0.1'
diff --git a/lib/build.gradle b/lib/build.gradle
index 9ace364..5a511b6 100644
--- a/lib/build.gradle
+++ b/lib/build.gradle
@@ -23,7 +23,7 @@
 
 // You should change this after releasing a new version of the library. See the
 // list of published versions at https://repo1.maven.org/maven2/io/v/vanadium.
-def releaseVersion = '2.1.8'
+def releaseVersion = '2.1.9'
 
 dependencies {
     compile group: 'joda-time', name: 'joda-time', version: '2.7'