component/bt: Cut down RAM cost: reduce SDP data record number

components/bt/bluedroid/bta/sdp/bta_sdp_cfg.c

@@ -25,7 +25,7 @@
 #include "bta_sdp_api.h"
 
 #ifndef BTA_SDP_DB_SIZE
-#define BTA_SDP_DB_SIZE  4500
+#define BTA_SDP_DB_SIZE  1500
 #endif
 
 static UINT8 __attribute__ ((aligned(4))) bta_sdp_db_data[BTA_SDP_DB_SIZE];

components/bt/bluedroid/include/bt_target.h

@@ -1001,7 +1001,7 @@
 
 /* The maximum number of SDP records the server can support. */
 #ifndef SDP_MAX_RECORDS
-#define SDP_MAX_RECORDS             15  /*max is 30*/
+#define SDP_MAX_RECORDS             4  /*max is 30*/
 #endif
 
 /* The maximum number of attributes in each record. */