Add `maven { url 'https://maven.google.com' }` for PhoneGap build
MODIFY
plugin.xml
plugin.xml
<?xml version='1.0' encoding='utf-8'?>
-<plugin id="cordova-plugin-googlemaps" version="2.2.6-beta-20180218-1427" xmlns="http://apache.org/cordova/ns/plugins/1.0" xmlns:android="http://schemas.android.com/apk/res/android">
+<plugin id="cordova-plugin-googlemaps" version="2.2.6-beta-20180219-1115" xmlns="http://apache.org/cordova/ns/plugins/1.0" xmlns:android="http://schemas.android.com/apk/res/android">
<name>cordova-plugin-googlemaps</name>
<js-module name="BaseClass" src="www/BaseClass.js">
<runs />

MODIFY
src/android/frameworks/build-extras.gradle
src/android/frameworks/build-extras.gradle
+allprojects {
+ repositories {
+ maven { url 'https://maven.google.com' }
+ mavenCentral();
+ jcenter()
+ }
+}
+
android {
defaultConfig {
compileSdkVersion 26

Add `maven { url 'https://maven.google.com' }` for PhoneGap build