Updated libkeystore-engine library to be cc_test_library instead of
cc_library_shared.

Since libkeystore-engine used only in keystore2_client_tests test
module, creating it as cc_test_library.

Bug: 298668920
Test: atest keystore2_client_tests
Change-Id: I656e989186610266c8a59ac11db8ac8a47d3514f
1 file changed