constraint-layout updated

mobile/build.gradle

@@ -21,7 +21,7 @@ android {
 dependencies {
     implementation fileTree(dir: 'libs', include: ['*.jar'])
     implementation 'com.android.support:appcompat-v7:26.1.0'
-    implementation 'com.android.support.constraint:constraint-layout:1.1.0'
+    implementation 'com.android.support.constraint:constraint-layout:1.1.2'
 
     implementation project(':common')