IVGCVSW-4211 Rename QuantisedSymm8 to QSymmS8
IVGCVSW-4211 Rename QuantisedSymm8 to QSymmS8

!armnn:2421

Signed-off-by: FinnWilliamsArm <51681b3f0284746ec141d38e636b0ad910c04d7c@Arm.com>
Change-Id: I30da5235f6610306f9300b4532cf2c79ee8789f8

ARM-software/android-nn-driver,ARM-software/android-nn-driver