Enable NativeActivity based Android tests.

testing/android/native_test/java/AndroidManifest.xml.jinja2

Index: testing/android/native_test/java/AndroidManifest.xml.jinja2
diff --git a/testing/android/native_test/java/AndroidManifest.xml b/testing/android/native_test/java/AndroidManifest.xml.jinja2
similarity index 74%
rename from testing/android/native_test/java/AndroidManifest.xml
rename to testing/android/native_test/java/AndroidManifest.xml.jinja2
index a50ffcdeec1640872f24237a8a56b8956356d020..9f46ae529df48cefcd6a4f6ee56cfebe88124df4 100644
--- a/testing/android/native_test/java/AndroidManifest.xml
+++ b/testing/android/native_test/java/AndroidManifest.xml.jinja2
@@ -23,10 +23,24 @@ found in the LICENSE file.
 
     <application android:label="NativeTests"
             android:name="org.chromium.base.BaseChromiumApplication">
+        {% if use_native_activity == 'true' %}
+        <activity android:name=".NativeUnitTestNativeActivity"
+                android:label="NativeTest"
+                android:configChanges="orientation|keyboardHidden"
+                android:process=":test_process">
+            {% if is_component_build == 'true' %}
+            <meta-data android:name="android.app.lib_name"
+                       android:value="{{ native_library_name }}.cr" />
+            {% else %}
+            <meta-data android:name="android.app.lib_name"
+                       android:value="{{ native_library_name }}" />
+            {% endif %}
+        {% else %}
         <activity android:name=".NativeUnitTestActivity"
                 android:label="NativeTest"
                 android:configChanges="orientation|keyboardHidden"
                 android:process=":test_process">
+        {% endif %}
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
                 <category android:name="android.intent.category.LAUNCHER" />