Remove remaining V1 embedding references (flutter#4189)

Author: Emmanuel Garcia

packages/battery/battery/CHANGELOG.md

@@ -1,3 +1,7 @@
+## NEXT
+
+* Remove references to the Android v1 embedding.
+
 ## 2.0.3
 
 * Update README to point to Plus Plugins version.

packages/battery/battery/example/android/app/src/androidTest/java/io/flutter/plugins/battery/EmbedderV1ActivityTest.java

@@ -15,13 +15,6 @@
                 <category android:name="android.intent.category.LAUNCHER"/>
             </intent-filter>
         </activity>
-        <activity
-            android:name=".EmbedderV1Activity"
-            android:theme="@android:style/Theme.Black.NoTitleBar"
-            android:configChanges="orientation|keyboardHidden|keyboard|screenSize|locale|layoutDirection"
-            android:hardwareAccelerated="true"
-            android:windowSoftInputMode="adjustResize">
-        </activity>
         <meta-data
             android:name="flutterEmbedding"
             android:value="2" />

packages/battery/battery/example/android/app/src/main/AndroidManifest.xml

@@ -14,12 +14,6 @@
                 <category android:name="android.intent.category.LAUNCHER"/>
             </intent-filter>
         </activity>
-        <activity android:name=".EmbedderV1Activity"
-                  android:theme="@android:style/Theme.Black.NoTitleBar"
-                  android:configChanges="orientation|keyboardHidden|keyboard|screenSize|locale|layoutDirection"
-                  android:hardwareAccelerated="true"
-                  android:windowSoftInputMode="adjustResize">
-        </activity>
         <meta-data
             android:name="flutterEmbedding"
             android:value="2" />