* Extend this API to take tree URI * Add toString(), equals() and hashCode() to Path * Address Jeff's comments in ag/1513538 * Add unit tests for findPath Bug: 30948740 Change-Id: Iaf852d0e40fae37623e9bb9ffa1c6fbe334c1b21 (cherry picked from commit d4ab7ade7171a4382ef4f61f2a5f078a17800e83)