Camera3: Queue the Meta Buf to kernel in all cases

There can be condition where in Metadata Frame# is valid
but its not in Pending list and so Meta Buf is not queued back.

1) This change will make sure all the incoming MetaData buffers are
sent back to kernel
2) Reduce the metadata buffers back to 7

Bug: 11016037
Change-Id: I6b7b864d2fa3e2743d264e9da5a772b6ede56d90
Signed-off-by: Ed Tam <etam@google.com>
2 files changed