Update Android.gitignore

Android.gitignore

@@ -1,23 +1,39 @@
-# Built application files
-*.apk
-*.ap_
+# Android generated
+bin
+gen
+lint.xml
 
-# Files for the Dalvik VM
-*.dex
+# Eclipse
+.project
+.classpath
+.settings
+.checkstyle
 
-# Java class files
-*.class
+# IntelliJ IDEA
+.idea
+*.iml
+*.ipr
+*.iws
+classes
+gen-external-apklibs
+out
 
-# Generated files
-bin/
-gen/
+# Maven
+target
+release.properties
+pom.xml.*
 
-# Gradle files
-.gradle/
-build/
-
-# Local configuration file (sdk path, etc)
+# Ant
+ant.properties
 local.properties
+proguard.cfg
+proguard-project.txt
 
-# Proguard folder generated by Eclipse
-proguard/
+# Other
+.DS_Store
+tmp
+
+# Gradle
+.gradle
+/build
+/out