Update version code and name

Author: JuancaG05

owncloudApp/build.gradle

@@ -93,8 +93,8 @@ android {
 
         testInstrumentationRunner "com.owncloud.android.utils.OCTestAndroidJUnitRunner"
 
-        versionCode = 30000401
-        versionName = "4.0-beta.1"
+        versionCode = 30000402
+        versionName = "4.0-beta.2"
 
         buildConfigField "String", gitRemote, "\"" + getGitOriginRemote() + "\""
         buildConfigField "String", commitSHA1, "\"" + getLatestGitHash() + "\""