android: fix compiler and linker flags for armv7-a
android: fix compiler and linker flags for armv7-a

See <android-ndk>/docs/STANDALONE-TOOLCHAIN.html

AlertMe/cerbero,ramaxlo/cerbero,flexVDI/cerbero,nirbheek/cerbero-old,flexVDI/cerbero,lubosz/cerbero,jackjansen/cerbero,ramaxlo/cerbero,atsushieno/cerbero,multipath-rtp/cerbero,superdump/cerbero,ramaxlo/cerbero,AlertMe/cerbero,lubosz/cerbero,lubosz/cerbero,fluendo/cerbero,AlertMe/cerbero,flexVDI/cerbero,ikonst/cerbero,ford-prefect/cerbero,GStreamer/cerbero,ikonst/cerbero,multipath-rtp/cerbero,sdroege/cerbero,AlertMe/cerbero,nirbheek/cerbero,justinjoy/cerbero,sdroege/cerbero,GStreamer/cerbero,ford-prefect/cerbero,GStreamer/cerbero,EricssonResearch/cerbero,atsushieno/cerbero,nirbheek/cerbero-old,ikonst/cerbero,fluendo/cerbero,justinjoy/cerbero,nirbheek/cerbero,ramaxlo/cerbero,sdroege/cerbero,freedesktop-unofficial-mirror/gstreamer__cerbero,sdroege/cerbero,OptoFidelity/cerbero,brion/cerbero,jackjansen/cerbero,AlertMe/cerbero,jackjansen/cerbero,davibe/cerbero,superdump/cerbero,freedesktop-unofficial-mirror/gstreamer__sdk__cerbero,ramaxlo/cerbero,justinjoy/cerbero,EricssonResearch/cerbero,atsushieno/cerbero,superdump/cerbero,freedesktop-unofficial-mirror/gstreamer__sdk__cerbero,centricular/cerbero,nirbheek/cerbero-old,multipath-rtp/cerbero,flexVDI/cerbero,EricssonResearch/cerbero,nzjrs/cerbero,centricular/cerbero,brion/cerbero,nirbheek/cerbero-old,nzjrs/cerbero,jackjansen/cerbero,davibe/cerbero,ikonst/cerbero,shoreflyer/cerbero,nirbheek/cerbero,shoreflyer/cerbero,GStreamer/cerbero,superdump/cerbero,EricssonResearch/cerbero,ylatuya/cerbero,ylatuya/cerbero,davibe/cerbero,freedesktop-unofficial-mirror/gstreamer__cerbero,shoreflyer/cerbero,sdroege/cerbero,fluendo/cerbero,multipath-rtp/cerbero,OptoFidelity/cerbero,brion/cerbero,freedesktop-unofficial-mirror/gstreamer__cerbero,centricular/cerbero,flexVDI/cerbero,lubosz/cerbero,shoreflyer/cerbero,ylatuya/cerbero,atsushieno/cerbero,brion/cerbero,ikonst/cerbero,ford-prefect/cerbero,atsushieno/cerbero,centricular/cerbero,ylatuya/cerbero,nirbheek/cerbero,fluendo/cerbero,freedesktop-unofficial-mirror/gstreamer__sdk__cerbero,davibe/cerbero,brion/cerbero,freedesktop-unofficial-mirror/gstreamer__sdk__cerbero,OptoFidelity/cerbero,multipath-rtp/cerbero,nzjrs/cerbero,nzjrs/cerbero,OptoFidelity/cerbero,ford-prefect/cerbero,freedesktop-unofficial-mirror/gstreamer__cerbero,shoreflyer/cerbero,centricular/cerbero,EricssonResearch/cerbero,nzjrs/cerbero,GStreamer/cerbero,fluendo/cerbero,justinjoy/cerbero