skia: Fix aliasing violations

With the worst violations moved to skia/legacy, this has become
fixable -- fix the remaining aliasing violations and get rid of
-fno-strict-aliasing

Change-Id: I5b30058c01711f6eb4fb2f63a77f89ff183433b8
Signed-off-by: Bernhard Rosenkraenzer <Bernhard.Rosenkranzer@linaro.org>
skia: Fix build in ISO C++11 mode

Fix macro constructs that could be mistaken for new string literals

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