Target api 24 to avoid max aspect ratio.

There's a max aspect ratio being enforced for applications that
are not resizeable. Target 24 which makes the application resizeable
by default.

Test: Launched settings and verified that it was full screen.
Change-Id: I29983037fd1a41252486a44057e1f33fd0e552b9
diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index 7f4a0f5..10cf353 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -23,8 +23,8 @@
     android:versionName="1.0">
 
     <uses-sdk
-        android:minSdkVersion="23"
-        android:targetSdkVersion="23"/>
+        android:minSdkVersion="24"
+        android:targetSdkVersion="24"/>
 
     <uses-permission android:name="android.permission.ACCESS_WIFI_STATE"/>
     <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"/>