Handle missing dependencies in mixed builds

Bazel will fail on queries with missing dependencies. Instead, we check
for missing dependencies in mixed builds and we fall back to Soong when
we are aware of missing dependencies in a module.

Test: go test soong tests
Change-Id: I4f83752704970d8b43650d5b55ff35799c7bc625

android/module.go

@@ -354,6 +354,10 @@ type BaseModuleContext interface {
 
 	AddMissingDependencies(missingDeps []string)
 
+	// getMissingDependencies returns the list of missing dependencies.
+	// Calling this function prevents adding new dependencies.
+	getMissingDependencies() []string
+
 	// AddUnconvertedBp2buildDep stores module name of a direct dependency that was not converted via bp2build
 	AddUnconvertedBp2buildDep(dep string)
 
@@ -939,7 +943,8 @@ type commonProperties struct {
 
 	NamespaceExportedToMake bool `blueprint:"mutated"`
 
-	MissingDeps []string `blueprint:"mutated"`
+	MissingDeps        []string `blueprint:"mutated"`
+	CheckedMissingDeps bool     `blueprint:"mutated"`
 
 	// Name and variant strings stored by mutators to enable Module.String()
 	DebugName       string   `blueprint:"mutated"`
@@ -2862,6 +2867,20 @@ func (b *baseModuleContext) AddMissingDependencies(deps []string) {
 	}
 }
 
+func (b *baseModuleContext) checkedMissingDeps() bool {
+	return b.Module().base().commonProperties.CheckedMissingDeps
+}
+
+func (b *baseModuleContext) getMissingDependencies() []string {
+	checked := &b.Module().base().commonProperties.CheckedMissingDeps
+	*checked = true
+	var missingDeps []string
+	missingDeps = append(missingDeps, b.Module().base().commonProperties.MissingDeps...)
+	missingDeps = append(missingDeps, b.bp.EarlyGetMissingDependencies()...)
+	missingDeps = FirstUniqueStrings(missingDeps)
+	return missingDeps
+}
+
 type AllowDisabledModuleDependency interface {
 	blueprint.DependencyTag
 	AllowDisabledModuleDependency(target Module) bool