Revert^2 "Move keymint to android.hardware.security."

1ffcdebadd7229af65c575dc1271084b17fe42d7

Bug: 175345910
Bug: 171429297
Exempt-From-Owner-Approval: re-landing topic with no changes in this CL.
Change-Id: I691cad252f188b54a8076589d9955774d74d4729
diff --git a/security/keymint/aidl/default/android.hardware.security.keymint-service.xml b/security/keymint/aidl/default/android.hardware.security.keymint-service.xml
new file mode 100644
index 0000000..73d15a8
--- /dev/null
+++ b/security/keymint/aidl/default/android.hardware.security.keymint-service.xml
@@ -0,0 +1,6 @@
+<manifest version="1.0" type="device">
+    <hal format="aidl">
+        <name>android.hardware.security.keymint</name>
+        <fqname>IKeyMintDevice/default</fqname>
+    </hal>
+</manifest>