Revert "dm: fix a race condition in retrieve_deps"

This reverts commit dbf1a719 which is
commit f6007dce upstream.

It breaks the Android ABI and can be brought back later in an abi-safe
way if needed.

Bug: 161946584
Change-Id: Ief37eab88188180ba9884987d9731b10d1527051
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>