update crt to 0.19.3 (#312)

- Update the CRT submodules including: S2N-TLS, AWS-LC.
- Fixed the mqtt issues: 1. Infinite connect loop 2.Removed forced cleansession behavior

Author: xiazhvera

android/iotdevicesdk/build.gradle

@@ -91,7 +91,7 @@ repositories {
 }
 
 dependencies {
-    api 'software.amazon.awssdk.crt:aws-crt-android:0.18.0'
+    api 'software.amazon.awssdk.crt:aws-crt-android:0.19.3'
     implementation 'org.slf4j:slf4j-api:1.7.30'
     implementation 'com.google.code.gson:gson:2.9.0'
     implementation 'androidx.appcompat:appcompat:1.1.0'

sdk/pom.xml

@@ -42,7 +42,7 @@
     <dependency>
       <groupId>software.amazon.awssdk.crt</groupId>
       <artifactId>aws-crt</artifactId>
-      <version>0.19.0</version>
+      <version>0.19.3</version>
     </dependency>
     <dependency>
       <groupId>org.slf4j</groupId>