I've become acquainted with many Brazilians, since marrying into a partially Brazilian family over fifteen years ago, and they almost invariably use H for R in initial position. It is definitely standard. It is not a "soft rolled R." It is a distinct H. For further reference, these are the first two Brazilian Portuguese websites I came across:
http://www.brazil-help.com/pronounce.htm
http://www.brazilian-portuguese.net/brazilianpronunciation.htmThis message was edited 6/18/2012, 7:08 PM