libkeystore-wifi-hidl: Updated Android.bp

Updated Android.bp to build both static and shared library

Test: Build libkeystore-wifi-hidl
Bug: 187130384

Change-Id: Idd0f35fc33a224c598fc3e96f11f88cacf5c9aba
diff --git a/keystore/Android.bp b/keystore/Android.bp
index 0f2000c..0ab5198 100644
--- a/keystore/Android.bp
+++ b/keystore/Android.bp
@@ -87,7 +87,7 @@
 }
 
 // Library for keystore clients using the WiFi HIDL interface
-cc_library_shared {
+cc_library {
     name: "libkeystore-wifi-hidl",
     defaults: ["keystore_defaults"],