Add platform variant of ndk aidl_interface lib.

This library variant (-ndk_platform) allows platform code to use the
-ndk libraries. This mismatch is because the NDK library is built
against the NDK libc++.

In the future, this variant should be removed.

Bug: 120637510
Test: build netd with netd_event_listener_interface-ndk_platform
Change-Id: I1dac187b1c651994960c308f7021955cf20c0596
1 file changed