libs: wrap mutexes for build flag with godeadlock (#5126)

## Description

This PR wraps the stdlib sync.(RW)Mutex & godeadlock.(RW)Mutex. This enables using go-deadlock via a build flag instead of using sed to replace sync with godeadlock in all files

Closes: #3242

rpc/jsonrpc/client/http_json_client.go

@@ -9,8 +9,8 @@ import (
 	"net/http"
 	"net/url"
 	"strings"
-	"sync"
 
+	tmsync "github.com/tendermint/tendermint/libs/sync"
 	types "github.com/tendermint/tendermint/rpc/jsonrpc/types"
 )
 
@@ -99,7 +99,7 @@ type Client struct {
 
 	client *http.Client
 
-	mtx       sync.Mutex
+	mtx       tmsync.Mutex
 	nextReqID int
 }
 
@@ -260,7 +260,7 @@ type jsonRPCBufferedRequest struct {
 type RequestBatch struct {
 	client *Client
 
-	mtx      sync.Mutex
+	mtx      tmsync.Mutex
 	requests []*jsonRPCBufferedRequest
 }
 

rpc/jsonrpc/client/ws_client.go

@@ -14,6 +14,7 @@ import (
 
 	tmrand "github.com/tendermint/tendermint/libs/rand"
 	"github.com/tendermint/tendermint/libs/service"
+	tmsync "github.com/tendermint/tendermint/libs/sync"
 	types "github.com/tendermint/tendermint/rpc/jsonrpc/types"
 )
 
@@ -56,7 +57,7 @@ type WSClient struct { // nolint: maligned
 
 	wg sync.WaitGroup
 
-	mtx            sync.RWMutex
+	mtx            tmsync.RWMutex
 	sentLastPingAt time.Time
 	reconnecting   bool
 	nextReqID      int

rpc/jsonrpc/client/ws_client_test.go

@@ -13,7 +13,7 @@ import (
 	"github.com/stretchr/testify/require"
 
 	"github.com/tendermint/tendermint/libs/log"
-
+	tmsync "github.com/tendermint/tendermint/libs/sync"
 	types "github.com/tendermint/tendermint/rpc/jsonrpc/types"
 )
 
@@ -21,7 +21,7 @@ var wsCallTimeout = 5 * time.Second
 
 type myHandler struct {
 	closeConnAfterRead bool
-	mtx                sync.RWMutex
+	mtx                tmsync.RWMutex
 }
 
 var upgrader = websocket.Upgrader{