Merge "libstagefright/exports.lds: Use regex pattern for some functions" am: 499123488d am: 8917c4502f am: 40ae88b38b am: c46cab34de

Original change: https://android-review.googlesource.com/c/platform/frameworks/av/+/2197010

Change-Id: I15e20822583b9d39fd820469283d6dde8a1510c2
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>