Android documentation ( http://developer.android.com/reference/android/util/Log.html ) says:
Verbose should never be compiled into an application except d
This issue was reported here and a solution was provided in ADT 17.0.0 in Mar 2012
Added a feature that allows you to run some code only in debug mode. Builds now generate a class called BuildConfig containing a DEBUG constant that is automatically set according to your build type. You can check the (BuildConfig.DEBUG) constant in your code to run debug-only functions.