Flag the Android NDK step as optional, fix a typo and tweak the text a bit.
Flag the Android NDK step as optional, fix a typo and tweak the text a bit.

--
MOS_MIGRATED_REVID=104321044

twitter-forks/bazel,damienmg/bazel,variac/bazel,juhalindfors/bazel-patches,whuwxl/bazel,snnn/bazel,perezd/bazel,LuminateWireless/bazel,katre/bazel,mbrukman/bazel,katre/bazel,dinowernli/bazel,safarmer/bazel,UrbanCompass/bazel,dslomov/bazel,meteorcloudy/bazel,Digas29/bazel,cushon/bazel,mrdomino/bazel,iamthearm/bazel,zhexuany/bazel,UrbanCompass/bazel,mikelalcon/bazel,damienmg/bazel,kamalmarhubi/bazel,whuwxl/bazel,hermione521/bazel,dslomov/bazel,kchodorow/bazel-1,damienmg/bazel,mrdomino/bazel,mbrukman/bazel,cushon/bazel,kamalmarhubi/bazel,hhclam/bazel,LuminateWireless/bazel,mrdomino/bazel,aehlig/bazel,dropbox/bazel,kchodorow/bazel,katre/bazel,damienmg/bazel,kchodorow/bazel,kchodorow/bazel-1,Asana/bazel,Asana/bazel,Digas29/bazel,ulfjack/bazel,dslomov/bazel-windows,werkt/bazel,kchodorow/bazel,meteorcloudy/bazel,davidzchen/bazel,mikelikespie/bazel,perezd/bazel,aehlig/bazel,rohitsaboo/bazel,juhalindfors/bazel-patches,meteorcloudy/bazel,spxtr/bazel,hhclam/bazel,hermione521/bazel,dinowernli/bazel,hermione521/bazel,anupcshan/bazel,juhalindfors/bazel-patches,perezd/bazel,anupcshan/bazel,whuwxl/bazel,davidzchen/bazel,Digas29/bazel,zhexuany/bazel,mikelalcon/bazel,dropbox/bazel,ButterflyNetwork/bazel,snnn/bazel,akira-baruah/bazel,mikelikespie/bazel,ulfjack/bazel,abergmeier-dsfishlabs/bazel,dinowernli/bazel,zhexuany/bazel,rohitsaboo/bazel,iamthearm/bazel,mikelalcon/bazel,dslomov/bazel,perezd/bazel,iamthearm/bazel,Digas29/bazel,whuwxl/bazel,bazelbuild/bazel,bazelbuild/bazel,twitter-forks/bazel,meteorcloudy/bazel,dslomov/bazel-windows,ulfjack/bazel,aehlig/bazel,variac/bazel,mikelikespie/bazel,kchodorow/bazel-1,rohitsaboo/bazel,variac/bazel,kchodorow/bazel-1,perezd/bazel,twitter-forks/bazel,bazelbuild/bazel,snnn/bazel,UrbanCompass/bazel,LuminateWireless/bazel,katre/bazel,werkt/bazel,ulfjack/bazel,spxtr/bazel,mrdomino/bazel,kchodorow/bazel,akira-baruah/bazel,werkt/bazel,dslomov/bazel-windows,LuminateWireless/bazel,ulfjack/bazel,iamthearm/bazel,kchodorow/bazel,anupcshan/bazel,aehlig/bazel,zhexuany/bazel,mbrukman/bazel,meteorcloudy/bazel,katre/bazel,abergmeier-dsfishlabs/bazel,abergmeier-dsfishlabs/bazel,anupcshan/bazel,variac/bazel,dinowernli/bazel,bazelbuild/bazel,spxtr/bazel,dropbox/bazel,mrdomino/bazel,abergmeier-dsfishlabs/bazel,ButterflyNetwork/bazel,ButterflyNetwork/bazel,twitter-forks/bazel,safarmer/bazel,ulfjack/bazel,hermione521/bazel,variac/bazel,hermione521/bazel,dslomov/bazel,UrbanCompass/bazel,cushon/bazel,ulfjack/bazel,juhalindfors/bazel-patches,twitter-forks/bazel,davidzchen/bazel,anupcshan/bazel,rohitsaboo/bazel,safarmer/bazel,dropbox/bazel,anupcshan/bazel,damienmg/bazel,dslomov/bazel-windows,rohitsaboo/bazel,aehlig/bazel,davidzchen/bazel,dslomov/bazel,dslomov/bazel,hhclam/bazel,abergmeier-dsfishlabs/bazel,mikelalcon/bazel,juhalindfors/bazel-patches,cushon/bazel,Asana/bazel,safarmer/bazel,Digas29/bazel,dslomov/bazel-windows,spxtr/bazel,UrbanCompass/bazel,spxtr/bazel,mikelikespie/bazel,damienmg/bazel,variac/bazel,kchodorow/bazel,iamthearm/bazel,snnn/bazel,whuwxl/bazel,cushon/bazel,kamalmarhubi/bazel,dinowernli/bazel,twitter-forks/bazel,Digas29/bazel,akira-baruah/bazel,twitter-forks/bazel,snnn/bazel,akira-baruah/bazel,Asana/bazel,werkt/bazel,spxtr/bazel,zhexuany/bazel,hermione521/bazel,aehlig/bazel,mikelalcon/bazel,iamthearm/bazel,davidzchen/bazel,Asana/bazel,davidzchen/bazel,snnn/bazel,ButterflyNetwork/bazel,hhclam/bazel,meteorcloudy/bazel,mikelikespie/bazel,rohitsaboo/bazel,aehlig/bazel,dropbox/bazel,bazelbuild/bazel,snnn/bazel,werkt/bazel,kamalmarhubi/bazel,LuminateWireless/bazel,ButterflyNetwork/bazel,mbrukman/bazel,davidzchen/bazel,mbrukman/bazel,kamalmarhubi/bazel,akira-baruah/bazel,mikelikespie/bazel,katre/bazel,dropbox/bazel,perezd/bazel,safarmer/bazel,dslomov/bazel,cushon/bazel,spxtr/bazel,werkt/bazel,UrbanCompass/bazel,damienmg/bazel,mrdomino/bazel,bazelbuild/bazel,Asana/bazel,dslomov/bazel-windows,ButterflyNetwork/bazel,variac/bazel,safarmer/bazel,kamalmarhubi/bazel,hhclam/bazel,hhclam/bazel,akira-baruah/bazel,abergmeier-dsfishlabs/bazel,mikelalcon/bazel,meteorcloudy/bazel,juhalindfors/bazel-patches,perezd/bazel,zhexuany/bazel,LuminateWireless/bazel,juhalindfors/bazel-patches,mbrukman/bazel,dinowernli/bazel,whuwxl/bazel,Asana/bazel,kchodorow/bazel-1,kchodorow/bazel,kchodorow/bazel-1