Merge "Avoid exporting libandroidicu headers from libmedia" am: 6d437e093a

Original change: https://android-review.googlesource.com/c/platform/frameworks/av/+/2382649

Change-Id: I61ecd228a065db2b416c641a5284926ae9b5e3d4
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>