sdm660-common: switch to codecs c2

* taken from Xiaomi sm8150 common vendor trees

sdm660-common/proprietary/vendor/etc/init/vendor.qti.media.c2@1.0-service.rc

@@ -0,0 +1,7 @@
+service vendor-qti-media-c2-hal-1-0 /vendor/bin/hw/vendor.qti.media.c2@1.0-service
+    class hal
+    user mediacodec
+    group mediadrm camera drmrpc system
+    ioprio rt 4
+    writepid /dev/cpuset/foreground/tasks
+