Export shared lib headers in static libwificond_ipc am: 6f935a228c am: 99daa51ab3

Original change: https://android-review.googlesource.com/c/platform/system/connectivity/wificond/+/2171562

Change-Id: If8a0cd31a7d94bac081fecd9338424fe01492bc8
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>