DEPS.xwalk: Roll ozone-wayland (a68f96a -> 7c9ae33) and chromium-crosswalk
(945fe6f -> c524f0d)

ozone-wayland:
7c9ae33 Enable HWA decoding support
37aa93e Temporarily remove ozone dependency for gl
c7345e3 Fixed the compile error
740f6c1 Revert "Temporarily disable HWA decoding support"

chromium-crosswalk:
c524f0d Merge [Temp][Tizen] Temporarily remove ozone dependency for gl
e37d5a6 [Temp][Tizen] Temporarily remove ozone dependency for gl
Merge pull request #2237 from qjia7/master

Enable HWA decoding support