recovery: Move icon_info.png to res-specific dirs

... otherwise it is omitted from build.

Change-Id: I45930e1501f13af641ee96ac64164aae4101d85b
minivold: Report vold connect fail only if retries exhausted

This also removes an unnecessary sleep after vold successfully connects.

Change-Id: I4370dc145e811af6e61ddbe313c28eaef723c0a8
libvoldclient: Do not use the kernel headers

No idea why this is here, but it breaks arm64 builds. bionic's signal.h
must be used on those

Change-Id: Ia6c39116061e1e47747b1c868e7e0b4d70c3c894
Merge branch 'cm-12.0' of https://github.com/CyanogenMod/android_bootable_recovery into cm-12.0