Seen pictured in the word, "android" here:
and in the word, "lollipop" here:
(It is not roboto, nor anything that is in the system fonts on the nexus that I have found - nothing makes that 'a')
and in the word, "lollipop" here:
(It is not roboto, nor anything that is in the system fonts on the nexus that I have found - nothing makes that 'a')