chore(sample-app): update app icons, lottie and android project.

Signed-off-by: xsahil03x <[email protected]>

packages/stream_chat_v1/android/app/src/main/AndroidManifest.xml

@@ -9,10 +9,9 @@
     <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
     <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE"/>
     <application
-        android:name=".Application"
         android:label="Chat Sample Flutter"
+        android:name="${applicationName}"
         android:icon="@mipmap/ic_launcher"
-        android:roundIcon="@mipmap/ic_launcher_round"
         android:requestLegacyExternalStorage="true"
         >
         <activity
@@ -23,6 +22,14 @@
             android:hardwareAccelerated="true"
             android:windowSoftInputMode="adjustResize"
             android:exported="true">
+            <!-- Specifies an Android theme to apply to this Activity as soon as
+             the Android process has started. This theme is visible to the user
+             while the Flutter UI initializes. After that, this theme continues
+             to determine the Window background behind the Flutter UI. -->
+            <meta-data
+                    android:name="io.flutter.embedding.android.NormalTheme"
+                    android:resource="@style/NormalTheme"
+            />
             <intent-filter>
                 <action android:name="FLUTTER_NOTIFICATION_CLICK" />
                 <category android:name="android.intent.category.DEFAULT" />
@@ -38,4 +45,4 @@
             android:name="flutterEmbedding"
             android:value="2" />
     </application>
-</manifest>
+</manifest>