cargo2android: Emit apex_available + min_sdk_version for native libs

Previously, we only emitted apex_available + min_sdk_version for 'lib'
type crates. That ignored:
* Explicit rlib
* Explicit dylib
* cdylib
* staticlib

Bug: 178565008
Test: Generated Android.bp for rustc-demangle-capi
Change-Id: I19f0abe385b9c13ac731b7f2c978052ffa6b92f7
1 file changed