[LOG4J2-703] Android: Could not find class 'javax.naming.InitialContext', referenced from method org.apache.logging.log4j.core.lookup.JndiLookup.lookup. Catch a VerifyError when loading a plugin, log and allow processing to continue.

git-svn-id: https://svn.apache.org/repos/asf/logging/log4j/log4j2/trunk@1610647 13f79535-47bb-0310-9956-ffa450edef68
[LOG4J2-703] Android: Could not find class 'javax.naming.InitialContext', referenced from method org.apache.logging.log4j.core.lookup.JndiLookup.lookup. Load the JNDI look up class by name to avoid problems loading the interpolator class on Android.

git-svn-id: https://svn.apache.org/repos/asf/logging/log4j/log4j2/trunk@1610654 13f79535-47bb-0310-9956-ffa450edef68