Update google protobuf to v3.22.0 and LK protobufs (#186)

* Update protocol submodule to v1.4.2

* Update protobuf library to 3.22.0

* Use protocol v1.4.1

@@ -19,7 +19,7 @@ ext {
             junitJupiter      : "5.5.0",
             coroutines        : "1.6.0",
             lint              : "30.0.1",
-            protobuf          : "3.19.4",
+            protobuf          : "3.22.0",
     ]
     generated = [
             protoSrc: "$projectDir/protocol",

@@ -164,7 +164,7 @@ constructor(
         queryParams.add(CONNECT_QUERY_NETWORK_TYPE to networkInfo.getNetworkType().protoName)
 
         return queryParams.foldIndexed("") { index, acc, pair ->
-            val separator = if(index == 0) "?" else "&"
+            val separator = if (index == 0) "?" else "&"
             acc + separator + "${pair.first}=${pair.second}"
         }
     }
@@ -574,6 +574,12 @@ constructor(
             LivekitRtc.SignalResponse.MessageCase.PONG -> {
                 resetPingTimeout()
             }
+            LivekitRtc.SignalResponse.MessageCase.PONG_RESP -> {
+                // TODO
+            }
+            LivekitRtc.SignalResponse.MessageCase.RECONNECT -> {
+                // TODO
+            }
             LivekitRtc.SignalResponse.MessageCase.MESSAGE_NOT_SET,
             null -> {
                 LKLog.v { "empty messageCase!" }

- Subproject commit 3f47968225995df268658982f311d5f3942aa223
+ Subproject commit ec5189c9fd40d61cbc0b0ca43da6c71e7284ebcb