Update compile and targetSdkVersion to v26.

Android Studio is unable to build the project on v24.

Bug: 67894161
Test: Manual, verified app builds and runs.
Change-Id: Ibe8fea6a9427e4dbec2a2f464543ef00befc3fca
diff --git a/security/FingerprintDialog/template-params.xml b/security/FingerprintDialog/template-params.xml
index 37a84fe..7f98444 100644
--- a/security/FingerprintDialog/template-params.xml
+++ b/security/FingerprintDialog/template-params.xml
@@ -25,8 +25,8 @@
     <package>com.example.android.fingerprintdialog</package>
 
     <minSdk>23</minSdk>
-    <targetSdkVersion>24</targetSdkVersion>
-    <compileSdkVersion>24</compileSdkVersion>
+    <targetSdkVersion>26</targetSdkVersion>
+    <compileSdkVersion>26</compileSdkVersion>
 
     <strings>
         <intro>