DO NOT MERGE KeyStore ChunkedStreamer must tolerate update consuming 0 bytes.

Some older versions of Keymster do not consume any data in certain block
modes unless a full block of data was presented.

Bug: 199032140
Bug: 200041882
Test: CtsKeyStoreTestcases with KM1.0 backend.
Merged-In: Ic2da6e5c12628f11603f51c7a3408aad70947d95
Change-Id: Ic2da6e5c12628f11603f51c7a3408aad70947d95
(cherry picked from commit 395e56a71c87d3748ca280f235da04983069de87)
1 file changed