[pkg-go] fdroidcl is marked for autoremoval from testing

[Debian testing autoremoval watch]

fdroidcl 0.3.1-4 is marked for autoremoval from testing on 2018-06-11

It (build-)depends on packages with these RC bugs:
853310: android-platform-system-core: android-platform-build: ftbfs with GCC-7
853311: android-platform-system-core: android-platform-frameworks-base: ftbfs with GCC-7
853312: android-platform-system-core: ftbfs with GCC-7
886122: android-platform-system-core: FTBFS: .../Vector.h:251:64: error: no matching function for call
886204: android-platform-system-core: FTBFS: Vector.h:251:64: error: no matching function for call
892170: android-platform-system-extras: android-platform-system-extras FTBFS with libf2fs-dev 1.10.0-1