change the version to 1.2.0, add release notes

Author: bklastaitis-branch

ChangeLog.md

@@ -1,4 +1,9 @@
 # Adobe Branch SDK Extension change log
+- v1.2.0
+  * _*Master Release*_ - November 19, 2019
+  * Minor: delay session initialization to allow enough time to collect Adobe IDs
+  * Clean up extension registration flow
+
 - v1.1.3
   * _*Master Release*_ - November 19, 2019
   * Patch: automatically pick up all Adobe IDs and pass it to Branch

gradle.properties

@@ -11,8 +11,8 @@ org.gradle.jvmargs=-Xmx1536m
 # This option should only be used with decoupled projects. More details, visit
 # http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
 # org.gradle.parallel=true
-VERSION_NAME=1.1.4
-VERSION_CODE=010104
+VERSION_NAME=1.2.0
+VERSION_CODE=010200
 GROUP=io.branch.sdk.android
 
 POM_NAME=Branch Adobe Android SDK