fix(bt): Increased SDP maximum connections to avoid connection exhausted

components/bt/host/bluedroid/common/include/common/bt_target.h

@@ -1467,7 +1467,7 @@
 
 /* The maximum number of simultaneous client and server connections. */
 #ifndef SDP_MAX_CONNECTIONS
-#define SDP_MAX_CONNECTIONS         2 // 4
+#define SDP_MAX_CONNECTIONS         4
 #endif
 
 /* The MTU size for the L2CAP configuration. */