Merge remote-tracking branch 'cros/upstream' into 'cros/master'
Contains the following commits:
0bbe65c libmbim-glib,proxy: plug memleak (Aleksander Morgado)
4064021 libmbim-glib,proxy: always use realpath in the MbimDevice (Aleksander Morgado)
b0ede0c libmbim-glib,device: use realpath basename to look for descriptors file (Aleksander Morgado)
4932766 libmbim-glib,utils: new helpers to work with symlinks (Aleksander Morgado)
2999e9a mbimcli: add --query-provisioned-contexts flag (Eric Caruso)
Change-Id: I5986dd430acdfc70a53435de9da01fb04b735879
