minor missing tweaks (#1335)

Author: Guardiola31337

app/src/main/AndroidManifest.xml

@@ -3,8 +3,6 @@
           package="com.mapbox.services.android.navigation.testapp">
 
     <uses-permission android:name="android.permission.VIBRATE"/>
-    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
-    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
 
     <application
         android:name=".NavigationApplication"

build.gradle

@@ -6,6 +6,7 @@ buildscript {
 
   repositories {
     google()
+    mavenCentral()
     jcenter()
     maven { url 'https://plugins.gradle.org/m2' }
   }
@@ -25,6 +26,7 @@ task testReport(type: TestReport, group: 'Build') {
 allprojects {
   repositories {
     google()
+    mavenCentral()
     jcenter()
     maven { url 'https://plugins.gradle.org/m2' }
     maven { url 'https://mapbox.bintray.com/mapbox' }