Profiles: Add a profile picker activity

Patchset 2: Add CM Copyright
Patchset 3+4: Rebase
Patchset 5: Some optimizations

Change-Id: Ic8281e4c6fef6d2f4c56fc01acfe6e54b4c8f51c
Signed-off-by: Jorge Ruesga <jorge@ruesga.com>
(cherry picked from commit 86f21d14d8afd1c991f7c35184971616b36d8131)