Properly close fd backing a MemoryIntArray

Use ParcelFileDescriptor only as an IPC transport
to make sure MemoryIntArray manges its backing fd.

Bug:30310689

Change-Id: Ib3cc13ef4ae2a744e5f7a96099570e0431847bce
(cherry picked from commit fe2462f3a60b34ee6b7d8764d92ae58fc0cd7dfd)
(cherry picked from commit e257d6e167fc1beed092324ff4b8bcb073e55904)
2 files changed