app: fix broken build for armx.
app: fix broken build for armx.

Change-Id: I8cebd1fc3bd4cbc3113ea032d6d28177a1f31362
Reviewed-on: https://go-review.googlesource.com/10804
Reviewed-by: David Crawshaw <a2f0bf29257797dd66800b4fbb9945c3e216c004@golang.org>

ppamorim/mobile,steeve/mobile,steeve/mobile,ppamorim/mobile,0x90sled/mobile,samanalysis/mobile,goldcaddy77/mobile,tempbottle/mobile,DanielWorld/mobile,MaxCy330/mobile,MaxCy330/mobile,lonphy23t/mobile,lonphy23t/mobile,goldcaddy77/mobile,b54898533/mobile,qskycolor/mobile,ichu501/mobile,DanielWorld/mobile,0x90sled/mobile,ichu501/mobile,golang/mobile,zach-klippenstein/mobile,b54898533/mobile,swisspol/mobile,qskycolor/mobile,DanielWorld/mobile,qskycolor/mobile,ppamorim/mobile,MaxCy330/mobile,zach-klippenstein/mobile,xing/gomobile,MaxCy330/mobile,tempbottle/mobile,xing/gomobile,cainiaocome/mobile,0x90sled/mobile,goldcaddy77/mobile,ichu501/mobile,steeve/mobile,cainiaocome/mobile,zach-klippenstein/mobile,DanielWorld/mobile,tempbottle/mobile,ppamorim/mobile,lonphy23t/mobile,freeman0211/mobile,swisspol/mobile,steeve/mobile,golang/mobile,swisspol/mobile,qskycolor/mobile,samanalysis/mobile,tempbottle/mobile,b54898533/mobile,freeman0211/mobile,b54898533/mobile,samanalysis/mobile,samanalysis/mobile,cainiaocome/mobile,freeman0211/mobile,zach-klippenstein/mobile,xing/gomobile,lonphy23t/mobile,cainiaocome/mobile,goldcaddy77/mobile,cainiaocome/mobile,samanalysis/mobile,lonphy23t/mobile,xing/gomobile,golang/mobile,b54898533/mobile,goldcaddy77/mobile,freeman0211/mobile,0x90sled/mobile,ppamorim/mobile,swisspol/mobile,tempbottle/mobile,ichu501/mobile,swisspol/mobile,xing/gomobile,0x90sled/mobile,ichu501/mobile,golang/mobile,MaxCy330/mobile