Statically link libudev for Linux

[niklasad1]

• Adds a git submodule eudev to build from source
• Add Pierre's magic-hack for android
• Needs some additional dependencies: autotools-dev automake autoconf libtool gperf xsltproc

Note, that this will increase the build-time and it is slow on my machine

Tested by:

1. native Linux (ubuntu)

cargo build --example lshid
ldd target/debug/examples/lshid | grep udev | wc -l
0
./target/debug/examples/lshid                                                                     
Printing all available hid devices.
HidDeviceInfo {
    path: "/dev/hidraw2",
    vendor_id: 1356,
    product_id: 2968,
    serial_number: Some(
        ""
    ),
    release_number: 38288,
    manufacturer_string: None,
    product_string: Some(
        "h.ear (MDR-100ABN)"
    ),
    usage_page: 0,
    usage: 0,
    interface_number: 0
}

2. cross-compile android,

cargo build --example lshid --target armv7-linux-androideabi
arm-linux-androideabi-readelf --dynamic target/debug/examples/lshid | grep libudev | wc -l
0

This should be tested on more platforms and linux flavors!

[parity-cla-bot]

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Many thanks,

Parity Technologies CLA Bot

[niklasad1]

This is suppose to be cross-platform and will use mingw-make on Windows!