Revert "[Connectivity] migrate to the new android embedding (#2142)"

This reverts commit 67697ab.

Author: Chris Yang

packages/connectivity/CHANGELOG.md

@@ -1,7 +1,3 @@
-## 0.4.5
-
-* Support the v2 Android embedder.
-
 ## 0.4.4+1
 
 * Update and migrate iOS example project.

packages/connectivity/android/build.gradle

@@ -45,28 +45,3 @@ android {
         disable 'InvalidPackage'
     }
 }
-
-// TODO(amirh): Remove this hack once androidx.lifecycle is included on stable. https://github.com/flutter/flutter/issues/42348
-afterEvaluate {
-    def containsEmbeddingDependencies = false
-    for (def configuration : configurations.all) {
-        for (def dependency : configuration.dependencies) {
-            if (dependency.group == 'io.flutter' &&
-                dependency.name.startsWith('flutter_embedding') &&
-                dependency.isTransitive())
-            {
-                containsEmbeddingDependencies = true
-                break
-            }
-        }
-    }
-    if (!containsEmbeddingDependencies) {
-        android {
-            dependencies {
-                def lifecycle_version = "2.1.0"
-                api "androidx.lifecycle:lifecycle-common-java8:$lifecycle_version"
-                api "androidx.lifecycle:lifecycle-runtime:$lifecycle_version"
-            }
-        }
-    }
-}