taglib: explicitly enable -frtti on android
taglib: explicitly enable -frtti on android

The default now is to disable it in line with the NDK build system

https://bugzilla.gnome.org/show_bug.cgi?id=762526

GStreamer/cerbero,shoreflyer/cerbero,fluendo/cerbero,centricular/cerbero,flexVDI/cerbero,GStreamer/cerbero,fluendo/cerbero,EricssonResearch/cerbero,multipath-rtp/cerbero,justinjoy/cerbero,nirbheek/cerbero,centricular/cerbero,multipath-rtp/cerbero,flexVDI/cerbero,EricssonResearch/cerbero,flexVDI/cerbero,justinjoy/cerbero,justinjoy/cerbero,OptoFidelity/cerbero,EricssonResearch/cerbero,multipath-rtp/cerbero,atsushieno/cerbero,shoreflyer/cerbero,fluendo/cerbero,nirbheek/cerbero,centricular/cerbero,GStreamer/cerbero,shoreflyer/cerbero,atsushieno/cerbero,fluendo/cerbero,centricular/cerbero,nirbheek/cerbero,shoreflyer/cerbero,OptoFidelity/cerbero,shoreflyer/cerbero,GStreamer/cerbero,atsushieno/cerbero,nirbheek/cerbero,multipath-rtp/cerbero,OptoFidelity/cerbero,fluendo/cerbero,atsushieno/cerbero,centricular/cerbero,EricssonResearch/cerbero,flexVDI/cerbero,GStreamer/cerbero,multipath-rtp/cerbero,atsushieno/cerbero,flexVDI/cerbero,OptoFidelity/cerbero,EricssonResearch/cerbero,justinjoy/cerbero