[automerger skipped] Merge "Add @hide API to return whether a modem stack is enabled or not." am: b68b541c1b
am: 31976e684b -s ours
am skip reason: change_id I0dd61e73a0f445215e7d05e92faefdc41e3d89a3 with SHA1 4bcd982e09 is in history

Change-Id: I6e1e26ed0bbf26fa77586788125c173aa348db95