[Telemetry] Initial implementation of generate_profile command line tool
[Telemetry] Initial implementation of generate_profile command line tool

generate_profile is a new command line tool that handles generating profiles and uploading/downloading them from mobile devices.

BUG=136664
NOTRY=true

Review URL: https://chromiumcodereview.appspot.com/23436002

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@219878 0039d316-1c4b-4281-b951-d872f2087c98

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