Revert "Uprev libmtp to 1.1.12"

This reverts commit 4f0c550b9e148f1760eb6d9a44112940649d885c.

The original CL has been submitted at https://crrev.com/2345493002.

BUG=649592
TEST=none
TBR=thesting@chromium.org

Review URL: https://codereview.chromium.org/2364793002 .
74 files changed