Add back keymaster@4.0 hash.

This was changed after this branch was released. The originally
released hash needs to be restored since that is what partners
are building with.

Bug: 112688384
Bug: 78104779
Test: m android.hardware.keymaster@4.0 (tests hashes)
Change-Id: I0f59a493d7f17a13402d992495d1a259f6257077
diff --git a/current.txt b/current.txt
index cae8dbf..316bc43 100644
--- a/current.txt
+++ b/current.txt
@@ -335,7 +335,8 @@
 675682dd3007805c985eaaec91612abc88f4c25b3431fb84070b7584a1a741fb android.hardware.health@2.0::IHealth
 434c4c32c00b0e54bb05e40c79503208b40f786a318029a2a4f66e34f10f2a76 android.hardware.health@2.0::IHealthInfoCallback
 c9e498f1ade5e26f00d290b4763a9671ec6720f915e7d592844b62e8cb1f9b5c android.hardware.health@2.0::types
-6122abe9bc2e7868463d3787db2991c1e47cc01fe3e4cfb7293c5ba421ff8ad9 android.hardware.keymaster@4.0::IKeymasterDevice
+201f9723353fdbd40bf3705537fb7e015e4c399879425e68688fe0f43606ea4d android.hardware.keymaster@4.0::IKeymasterDevice # b/112688384
+6122abe9bc2e7868463d3787db2991c1e47cc01fe3e4cfb7293c5ba421ff8ad9 android.hardware.keymaster@4.0::IKeymasterDevice # b/78104779
 1b7d2090c0a28b229d37c4b96160796b1f0d703950ac6ccc163fccd280830503 android.hardware.keymaster@4.0::types
 6d5c646a83538f0f9d8438c259932509f4353410c6c76e56db0d6ca98b69c3bb android.hardware.media.bufferpool@1.0::IAccessor
 b8c7ed58aa8740361e63d0ce9e7c94227572a629f356958840b34809d2393a7c android.hardware.media.bufferpool@1.0::IClientManager