Support Rust in Recovery

Bug: 178565008
Bug: 165791368
Test: Build and link a Rust library into a recovery binary
Change-Id: I1c76e6204019443c567082730a4cf680f4a2a74a

rust/rust.go

@@ -84,6 +84,7 @@ type BaseProperties struct {
 	// Set by imageMutator
 	CoreVariantNeeded          bool     `blueprint:"mutated"`
 	VendorRamdiskVariantNeeded bool     `blueprint:"mutated"`
+	RecoveryVariantNeeded      bool     `blueprint:"mutated"`
 	ExtraVariants              []string `blueprint:"mutated"`
 
 	// Allows this module to use non-APEX version of libraries. Useful
@@ -98,7 +99,7 @@ type BaseProperties struct {
 	// On device without a dedicated recovery partition, the module is only
 	// available after switching root into
 	// /first_stage_ramdisk. To expose the module before switching root, install
-	// the recovery variant instead (TODO(b/165791368) recovery not yet supported)
+	// the recovery variant instead
 	Vendor_ramdisk_available *bool
 
 	// Normally Soong uses the directory structure to decide which modules
@@ -115,6 +116,9 @@ type BaseProperties struct {
 	// framework module from the recovery snapshot.
 	Exclude_from_recovery_snapshot *bool
 
+	// Make this module available when building for recovery
+	Recovery_available *bool
+
 	// Minimum sdk version that the artifact should support when it runs as part of mainline modules(APEX).
 	Min_sdk_version *string
 
@@ -807,6 +811,8 @@ func (mod *Module) GenerateAndroidBuildActions(actx android.ModuleContext) {
 		mod.Properties.SubName += cc.VendorSuffix
 	} else if mod.InVendorRamdisk() && !mod.OnlyInVendorRamdisk() {
 		mod.Properties.SubName += cc.VendorRamdiskSuffix
+	} else if mod.InRecovery() && !mod.OnlyInRecovery() {
+		mod.Properties.SubName += cc.RecoverySuffix
 	}
 
 	if !toolchain.Supported() {