Eloi Bail authored Sep 16, 2015 and Guillaume Roguez committed Sep 16, 2015

Default trace level is ERROR. In order to investigate
video decoding issues, I change it to WARNING
After stabilisation, we should reset it to ERROR.

Issue: #79686
Change-Id: I2e77e1759e46748ddbef6f6a60c6cba55c4d0a41