ART: Remove bad FindSymbol call

The removed call is superfluous under normal operation and harmful
when running a native-bridged library.

Bug: 22194296
Bug: https://code.google.com/p/android-developer-preview/issues/detail?id=2367

(cherry picked from commit 8fec90b4)

Change-Id: I3eb8f435a6a974a3e87a370b254ba8752f2a59b3