fix(android): improve default handling of orientation changes (#2224)

Like c3eb2b2, but on the activity that actually matters.

Author: tido64

android/app/src/main/AndroidManifest.xml

@@ -23,18 +23,17 @@
     >
         <activity android:name="com.facebook.react.devsupport.DevSettingsActivity" />
 
-        <activity
-            android:name="com.microsoft.reacttestapp.MainActivity"
-            android:configChanges="keyboard|keyboardHidden|orientation|screenLayout|screenSize|smallestScreenSize|uiMode"
-            android:windowSoftInputMode="adjustResize"
-            android:exported="true"
-        >
+        <activity android:name="com.microsoft.reacttestapp.MainActivity" android:exported="true">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
         </activity>
 
-        <activity android:name="com.microsoft.reacttestapp.component.ComponentActivity" />
+        <activity
+            android:name="com.microsoft.reacttestapp.component.ComponentActivity"
+            android:configChanges="keyboard|keyboardHidden|orientation|screenLayout|screenSize|smallestScreenSize|uiMode"
+            android:windowSoftInputMode="adjustResize"
+        />
     </application>
 </manifest>