Update project SDK and API key

app/src/main/res/layout/activity_main.xml

@@ -1,4 +1,9 @@
-<fragment xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent"
-    android:layout_height="match_parent" android:id="@+id/map" tools:context=".MainActivity"
-    android:name="com.google.android.gms.maps.SupportMapFragment" />
+<fragment
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:id="@+id/map"
+    android:name="com.google.android.gms.maps.SupportMapFragment"
+    tools:context=".MainActivity" />
+

app/src/main/res/values/google_maps_api.xml

@@ -0,0 +1,5 @@
+<resources>
+
+    <string name="google_maps_key" translatable="false" templateMergeStrategy="preserve">AIzaSyAMQYClXhA2tZdfCzu9EK9wUDWtCRQ6Bj0</string>
+
+</resources>