Revert "Update Paho to 1.2.3 (#1572)"

This reverts commit 87b8d3e.

Author: richardmcclellan

CHANGELOG.md

@@ -1,19 +1,5 @@
 # Change Log - AWS SDK for Android
 
-## [Release 2.16.13](https://github.com/aws/aws-sdk-android/releases/tag/release_v2.16.13)
-
-### New Features
-
-- **AWS Mobile Client**
-  - Added client metadata as optional parameter to various methods
-- **AWS IoT**
-  - Model updates
-
-### Bug Fixes
-
-- **AWS IoT**
-  - `AWSIoTMqttManager` is now compatible with Android < 7. See [Issue#1259](https://github.com/aws-amplify/aws-sdk-android/issues/1259) for details.
-
 ## [Release 2.16.12](https://github.com/aws/aws-sdk-android/releases/tag/release_v2.16.12)
 
 ### New Features

aws-android-sdk-iot/build.gradle

@@ -23,7 +23,7 @@ dependencies {
         exclude group: 'com.google.android', module: 'android'
     }
     implementation 'org.conscrypt:conscrypt-android:2.0.0'
-    implementation 'org.eclipse.paho:org.eclipse.paho.client.mqttv3:1.2.3'
+    implementation 'org.eclipse.paho:org.eclipse.paho.client.mqttv3:1.2.2'
 
     testImplementation 'junit:junit:4.12'
     testImplementation 'org.mockito:mockito-all:1.10.5'

aws-android-sdk-iot/pom.xml

@@ -24,7 +24,7 @@
       <groupId>org.eclipse.paho</groupId>
       <artifactId>org.eclipse.paho.client.mqttv3</artifactId>
       <optional>false</optional>
-      <version>1.2.3</version>
+      <version>1.2.2</version>
     </dependency>
     <dependency>
       <groupId>junit</groupId>