Add a HIDL-based keystore_get variant

Create a "keystore_get" library that uses the HIDL path insted
of using binder directly.

Bug: 34603782
Test: Able to connect to wifi passpoint networks.
Change-Id: I0f545ea104e3f27bebd262bc5a2e79f6b517c972
diff --git a/keystore-engine/Android.mk b/keystore-engine/Android.mk
index 2264390..3041aa3 100644
--- a/keystore-engine/Android.mk
+++ b/keystore-engine/Android.mk
@@ -42,7 +42,7 @@
 
 # This builds a variant of libkeystore-engine that uses a HIDL HAL
 # owned by the WiFi user to perform signing operations.
-LOCAL_MODULE := libkeystore-engine-wifi
+LOCAL_MODULE := libkeystore-engine-wifi-hidl
 
 LOCAL_SRC_FILES := \
 	android_engine.cpp \