tpm_manager: Build from AOSP

This CL allows for tpm_manager to compile from its new source code
location.
This CL also modifies the MODULE_LICENSE to apache2.

Bug: 23900830
TEST=emerge-link tpm_manager

Change-Id: I2c62aab9c93f909b8b9ba8ee78c307f34b40e9b9
2 files changed