Export AIDL for keystore Android.bp.

Test: builds, boots
Bug: 67041047
Change-Id: Iaff1de1f9c015a824ffc1f4946ced4a13d9bd7c1
Merged-In: Iaff1de1f9c015a824ffc1f4946ced4a13d9bd7c1
(cherry picked from commit 0c686e78ad2fbfc9e814bdd3abc5bd66c858c60f)
2 files changed