Updated npmignore for android

Author: cjam

.npmignore

@@ -4,11 +4,20 @@
 /ios/external/SpotifySDK/docs
 /ios/external/SpotifySDK/DemoProjects
 /ios/external/SpotifySDK/img
-/android/gradle/
+/android/.gradle/
+/android/build/
+/android/external/SpotifySDK/app-remote-sample
+/android/external/SpotifySDK/auth-sample
+/android/external/SpotifySDK/app-remote-lib/docs
+/android/external/SpotifySDK/app-remote-lib/img
+/android/external/SpotifySDK/auth-lib/docs
+/android/external/SpotifySDK/*.*
+/src/
 gradlew
 gradlew.bat
 build/
+gradlew
+gradlew.bat
 .idea
-.gradle
 local.properties
 *.iml