ART: Clean up API after change 102631

This adds an abort_on_error parameter to GetCurrentMethod, which is
by default true. This restores all previous behavior, except for
monitor installation, where it follows 101639.

Bug: 16556938

(cherry picked from commit 6ec8ebd1)

Change-Id: I2dee19d30674f2ffda33b3dc963e12470f39edb9