Make libkeystore_aidl shared and export to PDK.

Bug: 69539820
Test: manual

Change-Id: I2616cbd10351b7ea9041ae0f0abde6634206de65
diff --git a/gatekeeperd/Android.mk b/gatekeeperd/Android.mk
index 28f0b07..6d5d1ea 100644
--- a/gatekeeperd/Android.mk
+++ b/gatekeeperd/Android.mk
@@ -32,6 +32,7 @@
 	libbase \
 	libutils \
 	libcrypto \
+	libkeystore_aidl \
 	libkeystore_binder \
 	libhidlbase \
 	libhidltransport \