ZipInputStream: Don't throw for data descriptors on STORed entries.

This isn't required by the ZIP spec, and is inconsistent with the
behaviour of java.util.ZipFile.

Test: atest ZipInputStreamTest
Bug: 152027785
Merged-In: If9803e5dd48ba897cd0a24c54d47e0a439cf2998
Change-Id: Idae2419e97560060ab4d74e99edc32423c717b31
2 files changed