tree 64bc497fb0366c7df8464c972601132e84579954
parent e8bf3df2bcc61c12a7e66b4995a083f9ed3939e0
author Andreas Gampe <agampe@google.com> 1407808313 -0700
committer Andreas Gampe <agampe@google.com> 1407993588 -0700

ART: Tolerate shallow call stack in VMStack_getCallingClassLoader

When the call stack does not have the three methods we expect,
the visitor will return a nullptr value.

Add a test to JniTest (and refactor the test a little for code reuse).

Bug: 16867274

(cherry picked from commit 61bf6a1c80bf797af5d7911ff71fc367fdb36742)

Change-Id: I5fb8f91f372a41e0bc11ef9f70640834591afa53