external/zlib: Add ota_recovery build support am: 5f84945e01 Original change: https://googleplex-android-review.googlesource.com/c/platform/external/zlib/+/40358961 Change-Id: I74b54b6b4621b8d485866ad4fe77b15e7e88ba55 Signed-off-by: Automerger Merge Worker <[email protected]>