Merge "Remove one more export of libandroid_support from ndk_libc++_shared" am: 6e6ea36e25 am: d4c8b91add

Original change: https://android-review.googlesource.com/c/platform/prebuilts/ndk/+/1751002

Change-Id: Ie87353162f32bdabee7688ec3049009b47bbbdcf