How to re-deploy updated android.jar on AVD?

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http://stackoverflow.com – My question stems from the following posting on how to increase the max length for logcat messages: Android - Set max length of logcat messages Since there was no explanation in the aforementioned posting on how the changes are going to be deployed, my assumption was that I could simply extract a required Java class (i.e. android.util.Log.java) from the android sources, make necessary changes to the class, re-compile it, and replace the binary (i.e. android.util.Log.class) in the existing android.jar with the new class version, and then deploy that jar into my avd. However, when I implemen (HowTos)