[flutter_releases] Flutter 1.24.0-10.2.pre engine cherrypicks (#22568)

* Update 1.24 engine to use Dart 2.12.0-29.10.beta

* Add SDK licenses to DEPS (#22551)

* Use flutter public package for the time being (#22560)
Co-authored-by: NEmmanuel Garcia <egarciad@google.com>

DEPS

@@ -34,7 +34,7 @@ vars = {
   # Dart is: https://github.com/dart-lang/sdk/blob/master/DEPS.
   # You can use //tools/dart/create_updated_flutter_deps.py to produce
   # updated revision list of existing dependencies.
-  'dart_revision': '6fee8e27b8206acd82cd7ed6204941916a2568e5',
+  'dart_revision': '09481aa6ca60a12a5885db108aa5152cecb73fb1',
 
   # WARNING: DO NOT EDIT MANUALLY
   # The lines between blank lines above and below are generated by a script. See create_updated_flutter_deps.py
@@ -465,6 +465,17 @@ deps = {
      'dep_type': 'cipd',
    },
 
+  'src/third_party/android_tools/sdk/licenses': {
+     'packages': [
+       {
+        'package': 'flutter/android/sdk/licenses',
+        'version': 'latest',
+       }
+     ],
+    'condition': 'download_android_deps',
+    'dep_type': 'cipd',
+  },
+
   'src/third_party/android_embedding_dependencies': {
      'packages': [
        {