took some time to figure this custom config out.

withExtraAndroidManifest.js

const defineConfig = (config) => {
  const { withAndroidManifest } = require('@expo/config-plugins');
  config = withAndroidManifest(config, (config) => {
    let androidManifest = config.modResults.manifest;
    androidManifest.application = androidManifest.application || [];

    androidManifest.application[0]["meta-data"].push({
      $: {
        "android:name":
          "com.dieam.reactnativepushnotification.notification_color",
        "android:resource": "@color/white",
      },
    });

    androidManifest.application[0]["meta-data"].push({
      $: {
        "android:name": "com.google.android.gms.ads.APPLICATION_ID",
        "android:value": "ca-app-pub-x",
      },
    });

    if (!androidManifest.application[0].receiver) {
      androidManifest.application[0].receiver = [];
    }

    androidManifest.application[0].receiver.push({
      $: {
        "android:name":
          "com.dieam.reactnativepushnotification.modules.RNPushNotificationActions",
      },
    });

    if (!androidManifest.application[0].receiver) {
      androidManifest.application[0].receiver = [];
    }

    androidManifest.application[0].receiver.push({
      $: {
        "android:name":
          "com.dieam.reactnativepushnotification.modules.RNPushNotificationPublisher",
      },
    });

    if (!androidManifest.application[0].receiver) {
      androidManifest.application[0].receiver = [];
    }

    androidManifest.application[0].receiver.push({
      $: {
        "android:name":
          "com.dieam.reactnativepushnotification.modules.RNPushNotificationBootEventReceiver",
      },
      "intent-filter": [
        {
          action: [
            {
              $: {
                "android:name": "android.intent.action.BOOT_COMPLETED",
              },
            },
            {
              $: {
                "android:name": "android.intent.action.QUICKBOOT_POWERON",
              },
            },
            {
              $: {
                "android:name": "com.htc.intent.action.QUICKBOOT_POWERON",
              },
            },
          ],
        },
      ],
    });

    if (!androidManifest.application[0].service) {
      androidManifest.application[0].service = [];
    }

    androidManifest.application[0].service.push({
      $: {
        "android:name":
          "com.dieam.reactnativepushnotification.modules.RNPushNotificationListenerService",
        "android:exported": "false",
      },
      "intent-filter": [
        {
          action: [
            {
              $: {
                "android:name": "com.google.firebase.MESSAGING_EVENT",
              },
            },
          ],
        },
      ],
    });

    return config;
  })

  return config
}

module.exports = defineConfig;