deps(ljm): Bump adapter.js to 7.5.0 and validate ice candidate info

package-lock.json

       "integrity": "sha1-mGbfOVECEw449/mWvOtlRDIJwls="
     },
     "js-utils": {
-      "version": "github:jitsi/js-utils#91c5e53ca5fa42907c88d56bc78254e6e56e058d",
-      "from": "github:jitsi/js-utils#91c5e53ca5fa42907c88d56bc78254e6e56e058d",
+      "version": "github:jitsi/js-utils#0b2cef90613a74777fefd98d4ee3eda3879809ab",
+      "from": "github:jitsi/js-utils#0b2cef90613a74777fefd98d4ee3eda3879809ab",
       "requires": {
         "bowser": "2.7.0",
         "js-md5": "0.7.3",
       }
     },
     "lib-jitsi-meet": {
-      "version": "github:jitsi/lib-jitsi-meet#a7950f8ebb489225c2e8bf41fe65f330b3de0874",
-      "from": "github:jitsi/lib-jitsi-meet#a7950f8ebb489225c2e8bf41fe65f330b3de0874",
+      "version": "github:jitsi/lib-jitsi-meet#4a2abb179672aebecf9d780f796fcca531bb2398",
+      "from": "github:jitsi/lib-jitsi-meet#4a2abb179672aebecf9d780f796fcca531bb2398",
       "requires": {
         "@jitsi/sdp-interop": "0.1.14",
         "@jitsi/sdp-simulcast": "0.2.2",
         "strophe.js": "1.3.4",
         "strophejs-plugin-disco": "0.0.2",
         "strophejs-plugin-stream-management": "github:jitsi/strophejs-plugin-stream-management#cec7608601c1bc098543823fc658e3ddf758c009",
-        "webrtc-adapter": "github:webrtc/adapter#1eec19782b4058d186341263e7d049cea3e3290a"
+        "webrtc-adapter": "7.5.0"
       },
       "dependencies": {
         "js-md5": {
       }
     },
     "webrtc-adapter": {
-      "version": "github:webrtc/adapter#1eec19782b4058d186341263e7d049cea3e3290a",
-      "from": "github:webrtc/adapter#1eec19782b4058d186341263e7d049cea3e3290a",
+      "version": "7.5.0",
+      "resolved": "https://registry.npmjs.org/webrtc-adapter/-/webrtc-adapter-7.5.0.tgz",
+      "integrity": "sha512-cUqlw310uLLSYvO8FTNCVmGWSMlMt6vuSDkcYL1nW+RUvAILJ3jEIvAUgFQU5EFGnU+mf9/No14BFv3U+hoxBQ==",
       "requires": {
-        "rtcpeerconnection-shim": "^1.1.13",
-        "sdp": "^2.3.0"
+        "rtcpeerconnection-shim": "^1.2.15",
+        "sdp": "^2.12.0"
       }
     },
     "websocket-driver": {

package.json

     "js-utils": "github:jitsi/js-utils#0b2cef90613a74777fefd98d4ee3eda3879809ab",
     "jsrsasign": "8.0.12",
     "jwt-decode": "2.2.0",
-    "lib-jitsi-meet": "github:jitsi/lib-jitsi-meet#a7950f8ebb489225c2e8bf41fe65f330b3de0874",
+    "lib-jitsi-meet": "github:jitsi/lib-jitsi-meet#4a2abb179672aebecf9d780f796fcca531bb2398",
     "libflacjs": "github:mmig/libflac.js#93d37e7f811f01cf7d8b6a603e38bd3c3810907d",
     "lodash": "4.17.13",
     "moment": "2.19.4",