Update README with info about 'fips run' for Android targets.
Update README with info about 'fips run' for Android targets.

Some reformatting in README.

mgerhardy/fips,code-disaster/fips,floooh/fips,anthraxx/fips,code-disaster/fips,floooh/fips,mgerhardy/fips,floooh/fips,anthraxx/fips