Fix Android.mk
Fix Android.mk

Change-Id: I1093c2731283890d1f3792bf8e6741f448f1465d

ikoruk/ceres-solver,ysonggit/ceres-solver,ikoruk/ceres-solver,DougFirErickson/ceres-solver,kartikkumar/ceres-solver,stonier/ceres_solver,kartikkumar/ceres-solver,jmwalls/ceres-solver-fork,whuaegeanse/ceres-solver,stonier/ceres_solver,stonier/ceres_solver,DougFirErickson/ceres-solver,entylop/ceres-solver,kartikkumar/ceres-solver,jmwalls/ceres-solver-fork,stonier/ceres_solver,timfel/ceres-bin,ysonggit/ceres-solver,entylop/ceres-solver,timfel/ceres-bin,whuaegeanse/ceres-solver,ikoruk/ceres-solver,kartikkumar/ceres-solver,jmwalls/ceres-solver-fork,entylop/ceres-solver,entylop/ceres-solver,ysonggit/ceres-solver,whuaegeanse/ceres-solver,DougFirErickson/ceres-solver,whuaegeanse/ceres-solver,timfel/ceres-bin,DougFirErickson/ceres-solver,ysonggit/ceres-solver,jmwalls/ceres-solver-fork,ikoruk/ceres-solver,ikoruk/ceres-solver,timfel/ceres-bin