SHIFTParts: bump targetSdkVersion to 28

Change-Id: I2274877adfb72bd7739344b1347e5369558b51eb
Signed-off-by: Alexander Martinz <amartinz@shiftphones.com>
diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index cdcb8dd..b71321b 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -25,7 +25,7 @@
     android:versionName="1.0"
     android:sharedUserId="android.uid.system">
 
-    <uses-sdk android:minSdkVersion="24" android:targetSdkVersion="24" />
+    <uses-sdk android:minSdkVersion="24" android:targetSdkVersion="28" />
 
     <uses-permission android:name="android.permission.WRITE_MEDIA_STORAGE" />
     <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />