tree b020543e26bf5abba08849a0629edadf51385374
parent 106f19d2d3dc695355aedf5ea9b09600028ad75c
author Nataniel Borges <natanieljr@google.com> 1550710170 -0800
committer Nataniel Borges <natanieljr@google.com> 1550710170 -0800

Fix visibility rule for SF traces on Winscope

When traces don't have a visible region object assigned winscope crashes
while loading a SF trace.

Test: Open a SF trace without a visible region object on winscope. It
should no longer crash

Change-Id: I7919a0301ccfb6a0811fd15feb718c8ac0b210b1