[android] build 240, includes NPE fix on SearchManager.

android/AndroidManifest.xml

@@ -20,7 +20,7 @@
 -->
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
 	package="com.frostwire.android" android:installLocation="auto"
-	android:versionCode="239" android:versionName="1.7.2">
+	android:versionCode="240" android:versionName="1.7.2">
 	<!-- IMPORTANT!! Ignore these, just use as a reference, now it's handled with gradle -->
 	<!-- Plus  android:versionCode="9000xyz" (always commit like this, plus!)-->
 	<!-- Basic android:versionCode="8100xyz" (don't commit like this) -->