Return the packageName/versionCode/versionName per APK as JSON.

def apkid(apks):
    """Return the packageName/versionCode/versionName per APK as JSON."""
    import json
    import logging
    logging.getLogger("androguard.axml").setLevel(logging.ERROR)
    results = dict()
    for apk in apks:
        results[apk] = androguard.core.bytecodes.apk.get_apkid(apk)
    print(json.dumps(results, indent=2))