tree acbd49e94127829b6db71c0a397c748c1c20d985
parent b5011d0ef197981f84e75d34b14e87f9dcdd3f85
author Alex Deymo <deymo@google.com> 1458251885 -0700
committer Alex Deymo <deymo@google.com> 1458251970 -0700

Use PLOG() to log the error message in process.cc

Bug: None
TEST=Error log shows the error string instead of the number.

Change-Id: I47e07755b9bb88fbd8c7cb5f80e4c39de44abd97