fix isoc++11 invalid conversions
MediaRecorder: fix isoc++11 invalid conversion errors
hwui: Fix build in ISO C++11 mode

Make sure log calls can't be confused with C++11 string literals

Change-Id: I1d458e92e690f6f2b922a05494db8c01da54e460
Signed-off-by: Bernhard Rosenkraenzer <Bernhard.Rosenkranzer@linaro.org>