Fix quot entity (#3300)

Author: jpmedley

api/RTCPeerConnection.json

@@ -106,11 +106,11 @@
           "support": {
             "chrome": {
               "version_added": "23",
-              "notes": "Before Chrome 63 the default value for the <code>RTCConfiguration.rtcpMuxPolicy</code> parameter was <code>&quot;negotiate&quot</code>"
+              "notes": "Before Chrome 63 the default value for the <code>RTCConfiguration.rtcpMuxPolicy</code> parameter was <code>&quot;negotiate&quot;</code>"
             },
             "chrome_android": {
               "version_added": true,
-              "notes": "Before Chrome 63 the default value for the <code>RTCConfiguration.rtcpMuxPolicy</code> parameter was <code>&quot;negotiate&quot</code>"
+              "notes": "Before Chrome 63 the default value for the <code>RTCConfiguration.rtcpMuxPolicy</code> parameter was <code>&quot;negotiate&quot;</code>"
             },
             "edge": {
               "version_added": true
@@ -158,7 +158,7 @@
             },
             "webview_android": {
               "version_added": true,
-              "notes": "Before Chrome 63 the default value for the <code>RTCConfiguration.rtcpMuxPolicy</code> parameter was <code>&quot;negotiate&quot</code>"
+              "notes": "Before Chrome 63 the default value for the <code>RTCConfiguration.rtcpMuxPolicy</code> parameter was <code>&quot;negotiate&quot;</code>"
             }
           },
           "status": {