test: Bluetooth: Classic: Rename SDP client test case

Change the test case name from `sdp.c` to ` bluetooth.classic.sdp.client`

Signed-off-by: Lyle Zhu <[email protected]>

Author: lylezhu2012

tests/bluetooth/classic/sdp_c/testcase.yaml

@@ -1,5 +1,5 @@
 tests:
-  sdp.c:
+  bluetooth.classic.sdp.client:
     platform_allow:
       - native_sim
       - mimxrt1170_evk@B/mimxrt1176/cm7