camera2: Allow enabling high speed batching

   - setBatchSize() func expects the stream size to be 1 for HSR.
   - Conditionalise the checks to avoid altering behaviour of other devices.
   - Fixes: setBatchSize: change batch size from 8 to 8 dynamically is not supported
   - [0] https://gitlab.e.foundation/e/os/android_frameworks_av/-/blob/v1-t/services/camera/libcameraservice/device3/Camera3OutputStream.cpp#L1383



Signed-off-by: SahilSonar <sss.sonar2003@gmail.com>