Issue #2051: Plugin not working on android 4.4 but working in 5,6 and 7

⬆️ Bump dependency for cordova-android to 7.1.0 which forces the use of version 3.0.1 gradle tools.

package.json

@@ -13,12 +13,7 @@
  },
  "cordova": {
  "id": "phonegap-plugin-push",
- "platforms": [
- "ios",
- "android",
- "windows",
- "browser"
- ]
+ "platforms": ["ios", "android", "windows", "browser"]
  },
  "keywords": [
  "ecosystem:cordova",
@@ -52,10 +47,15 @@
  "cordova-android": ">=6.3.0",
  "cordova": ">=7.1.0"
  },
- "2.1.2": {
+ "<2.2.0": {
  "cordova-ios": ">=4.5.0",
  "cordova-android": ">=6.3.0",
  "cordova": ">=7.1.0"
+ },
+ "2.2.0": {
+ "cordova-ios": ">=4.5.0",
+ "cordova-android": ">=7.1.0",
+ "cordova": ">=7.1.0"
  }
  }
  },

plugin.xml

@@ -1,5 +1,9 @@
 <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
-<plugin xmlns="http://www.phonegap.com/ns/plugins/1.0" xmlns:android="http://schemas.android.com/apk/res/android" xmlns:amazon="http://schemas.android.com/apk/lib/com.amazon.device.ads" xmlns:rim="http://www.blackberry.com/ns/widgets" id="phonegap-plugin-push" version="2.1.3">
+<plugin
+ xmlns="http://www.phonegap.com/ns/plugins/1.0"
+ xmlns:android="http://schemas.android.com/apk/res/android"
+ xmlns:amazon="http://schemas.android.com/apk/lib/com.amazon.device.ads"
+ xmlns:rim="http://www.blackberry.com/ns/widgets" id="phonegap-plugin-push" version="2.1.3">
  <name>PushPlugin</name>
  <description> This plugin allows your application to receive push notifications on Android, iOS and Windows devices. Android uses Firebase Cloud Messaging. iOS uses Apple APNS Notifications. Windows uses Microsoft WNS Notifications. </description>
  <license>MIT</license>
@@ -8,7 +12,7 @@
  </js-module>
  <engines>
  <engine name="cordova" version=">=7.1.0"/>
- <engine name="cordova-android" version=">=6.3.0"/>
+ <engine name="cordova-android" version=">=7.1.0"/>
  <engine name="cordova-ios" version=">=4.5.0"/>
  </engines>
  <platform name="android">