Arch-specific source can be specified for prebuilt_apex as follows.
arch: {
arm64: {
src: "myapex-arm64.apex",
},
},
A note on the implementation. The Src property was not tagged as
`android:"arch_variant"` as usual. Instead, multiple Src properties are
explicitly declared like
struct Arch {
struct Arm {
struct Src *string
}
...
}
Corresponding Src property is manually selected according to the
MultiTargets()[0].
This is because prebuilt_apex is mutated only for android_common, in
order to have the same arch variant with the apex module type.
Therefore, we can't rely on the arch_variant tag.
Bug: 127789981
Test: m (apex_test amended)
Change-Id: I77dbe626171d8975f549bdb4af3c487232cf05f7
c95714ed0d