Use mount extension for litho integration

Summary:
Initial implementation of Litho extensions using mount extension. After mount is called on the main thread and we traverse the hierachy. In future we can use mount extensions to construct a sparse tree rather  than sending everything every time.

Scroll is handled with a native UI scroll listener for each litho view. This may break if the litho view is not a direct child of the scroll view.

Reviewed By: mihaelao

Differential Revision: D40021840

fbshipit-source-id: b09086a7a16660225885620609009dddf5b90d3b

gradle.properties

@@ -2,7 +2,6 @@
 #
 # This source code is licensed under the MIT license found in the
 # LICENSE file in the root directory of this source tree.
-
 # POM publishing constants
 VERSION_NAME=0.171.2-SNAPSHOT
 GROUP=com.facebook.flipper
@@ -17,18 +16,15 @@ POM_LICENCE_DIST=repo
 POM_DEVELOPER_ID=facebook
 POM_DEVELOPER_NAME=facebook
 POM_ISSUES_URL=https://github.com/facebook/flipper/issues/
-
 # Shared version numbers
-LITHO_VERSION=0.41.1
+LITHO_VERSION=0.43.0
 ANDROIDX_VERSION=1.3.0
 KOTLIN_VERSION=1.6.20
-
 # Gradle internals
 org.gradle.internal.repository.max.retries=10
 org.gradle.internal.repository.initial.backoff=1250
 org.gradle.jvmargs=-Xmx2g -Xms512m -XX:MaxPermSize=1024m -XX:+CMSClassUnloadingEnabled
 systemProp.org.gradle.internal.http.connectionTimeout=120000
 systemProp.org.gradle.internal.http.socketTimeout=120000
-
 android.useAndroidX=true
 android.enableJetifier=true