tree cca1b449afd96fdf044a45bd39e8cf2a9721e468
parent df6ba9a06ac9f4d45f49a1efc14b0d2393003317
author Sebastien Hertz <shertz@google.com> 1432803657 +0200
committer Sebastien Hertz <shertz@google.com> 1432812862 +0200

Fix single-step in native thread

If we attempt to single-step in a thread that is not running Java
code, there is no current method on the stack. So we need to check
for null before trying to decode debug info.

Bug: 21320157

(cherry picked from commit 52f5f93873ec244320e05b033243c5c7a3ae40e2)

Change-Id: I961108071dd58a23f6327370b00c35a4cabe0aa7