sigrok-cross-android: Drop obsolete libserialport --without-libudev.

This option no longer exists in libserialport upstream (the libudev
usage was removed).
sigrok-cross-android: Build boost and qt for PulseView
sigrok-cross-android: Build PulseView
sigrok-cross-android: Switch boost to use gnu-libstdc++ instead of stlport
sigrok-cross-android: PulseView now starts

SRD has been temporarily disabled, since there was a crash in it.
sigrok-cross-android: Fix brokenness in mbstowcs/wcstombs in Python patch
sigrok-cross-android: Fix locale issues in Python
sigrok-cross-android: Enable zlib module in Python
sigrok-cross-android: Make Python work in PulseView, and reenable SRD
sigrok-cross-android: Build Qt5
sigrok-cross-android: Adapt PulseView for Qt5
sigrok-cross-android: Add an icon to PulseView
sigrok-cross-android: Prevent libsigrokdecode.h from including Python.h
sigrok-cross-android: Skip building boost threads
sigrok-cross-android: Use new libftdi1, drop libusb-0.1
sigrok-cross-android: Add Qt5Svg to PV libraries
sigrok-cross-android: Provide a USB open hook for libusb running under JVM
sigrok-cross-android: Redirect SR(D) logs to Android log in PV
sigrok-cross-android: Use Java glue for PV from github
sigrok-cross-android: Use /sdcard/sigrok-firmware for firmwares