Merge "Refine sysprop_library header rules"

	if library.baseCompiler.hasSrcExt(".sysprop") {

		dir := android.PathForModuleGen(ctx, "sysprop", "include")

		if library.Properties.Sysprop.Platform != nil {

			isClientProduct := ctx.ProductSpecific() && !ctx.useVndk()

			isClientVendor := ctx.useVndk()

			isOwnerPlatform := Bool(library.Properties.Sysprop.Platform)

			// If the owner is different from the user, expose public header. That is,

			// 1) if the user is product (as owner can only be platform / vendor)

			// 2) if one is platform and the other is vendor

			// Exceptions are ramdisk and recovery. They are not enforced at all. So

			// they always use internal header.

			if !ctx.inRamdisk() && !ctx.inVendorRamdisk() && !ctx.inRecovery() &&

				(isClientProduct || (isOwnerPlatform == isClientVendor)) {

			// 2) if the owner is platform and the client is vendor

			// We don't care Platform -> Vendor dependency as it's already forbidden.

			if ctx.Device() && (ctx.ProductSpecific() || (isOwnerPlatform && ctx.inVendor())) {

				dir = android.PathForModuleGen(ctx, "sysprop/public", "include")

			}

		}