Revert of android: Increase NUM_PRIVILEGED_SERVICES to 20

components/test/android/browsertests_apk/AndroidManifest.xml.jinja2

Index: components/test/android/browsertests_apk/AndroidManifest.xml.jinja2
diff --git a/components/test/android/browsertests_apk/AndroidManifest.xml.jinja2 b/components/test/android/browsertests_apk/AndroidManifest.xml.jinja2
index 29baf6f92a341b328760cc0c52598b85e66dbe40..42b9282911714c262dc1f048d7ba07662f336c85 100644
--- a/components/test/android/browsertests_apk/AndroidManifest.xml.jinja2
+++ b/components/test/android/browsertests_apk/AndroidManifest.xml.jinja2
@@ -48,7 +48,7 @@
                  android:exported="false" />
         {% endfor %}
 
-        {% set num_privileged_services = 20 %}
+        {% set num_privileged_services = 3 %}
         <meta-data android:name="org.chromium.content.browser.NUM_PRIVILEGED_SERVICES"
                    android:value="{{ num_privileged_services }}"/>
         {% for i in range(num_privileged_services) %}