m8: update widevine blobs from hammerhead-lrx21o-factory-01315e08

Change-Id: I2267968939751a6742a83b8de3d1aa1f88fe50ca
m7-common: Hex libqc-opt for ICU symbol compatibility
m8: add hex'd libqc-opt.so

Change-Id: Id80ea103cedf49f4b1a07541199238332e266fdf