Fix all lint errors

android/java/MapboxGLAndroidSDK/build.gradle

@@ -55,7 +55,7 @@ android {
     lintOptions {
         checkAllWarnings true
         warningsAsErrors true
-        disable 'IconMissingDensityFolder'
+        disable 'InvalidPackage'
     }
 
     buildTypes {

android/java/MapboxGLAndroidSDKTestApp/build.gradle

@@ -57,9 +57,9 @@ android {
 
     lintOptions {
         checkAllWarnings true
-        disable 'UnusedAttribute'
-        abortOnError false
-        //disable 'IconDensities'
+        warningsAsErrors true
+        disable 'IconDensities'
+        disable 'InvalidPackage'
     }
 
     buildTypes {

android/java/MapboxGLAndroidSDKTestApp/src/main/AndroidManifest.xml

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+<manifest xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools"
     package="com.mapbox.mapboxgl.testapp">
 
     <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
@@ -10,6 +10,7 @@
         android:icon="@drawable/icon_burned"
         android:label="@string/app_name"
         android:theme="@style/AppTheme"
+        tools:ignore="UnusedAttribute"
         android:supportsRtl="true">
         <activity
             android:name="com.mapbox.mapboxgl.testapp.MainActivity"

android/java/MapboxGLAndroidSDKTestApp/src/main/res/layout/fragment_main.xml

@@ -1,4 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
-<com.mapbox.mapboxgl.views.MapView xmlns:android="http://schemas.android.com/apk/res/android" xmlns:app="http://schemas.android.com/apk/res-auto"
+<com.mapbox.mapboxgl.views.MapView xmlns:android="http://schemas.android.com/apk/res/android"
     android:layout_width="match_parent"
     android:layout_height="match_parent" />