Revert "Add Android.bp.list and soong.variables to inputs for soong_docs action"

This reverts commit 67eee7cae4dc1085d016f47515e9e4b15ab3aba4.

Reason for revert: Broke renderscript build

Change-Id: Ie26b3c7a78afe44d719f399520e643174109593f
diff --git a/android/config.go b/android/config.go
index 58a1dd2..b906108 100644
--- a/android/config.go
+++ b/android/config.go
@@ -93,9 +93,8 @@
 
 	deviceConfig *deviceConfig
 
-	srcDir         string // the path of the root source directory
-	buildDir       string // the path of the build output directory
-	moduleListFile string // the path to the file which lists blueprint files to parse.
+	srcDir   string // the path of the root source directory
+	buildDir string // the path of the build output directory
 
 	env       map[string]string
 	envLock   sync.Mutex
@@ -317,7 +316,7 @@
 
 // New creates a new Config object.  The srcDir argument specifies the path to
 // the root source directory. It also loads the config file, if found.
-func NewConfig(srcDir, buildDir string, moduleListFile string) (Config, error) {
+func NewConfig(srcDir, buildDir string) (Config, error) {
 	// Make a config with default options
 	config := &config{
 		ConfigFileName:           filepath.Join(buildDir, configFileName),
@@ -329,8 +328,7 @@
 		buildDir:          buildDir,
 		multilibConflicts: make(map[ArchType]bool),
 
-		moduleListFile: moduleListFile,
-		fs:             pathtools.NewOsFs(absSrcDir),
+		fs: pathtools.NewOsFs(absSrcDir),
 	}
 
 	config.deviceConfig = &deviceConfig{
diff --git a/android/paths.go b/android/paths.go
index 724bbd0..bed6f3f 100644
--- a/android/paths.go
+++ b/android/paths.go
@@ -904,27 +904,6 @@
 var _ Path = OutputPath{}
 var _ WritablePath = OutputPath{}
 
-// toolDepPath is a Path representing a dependency of the build tool.
-type toolDepPath struct {
-	basePath
-}
-
-var _ Path = toolDepPath{}
-
-// pathForBuildToolDep joins the provided paths and returns a toolDepPath that
-// is validated to not contain invalid characters.
-// There is no validation for the base directory of the constructed path.
-// Only use this function to construct paths for depenencies of the build
-// tool invocation.
-// On error, it will return a usable, but invalid toolDepPath, and report a ModuleError.
-func pathForBuildToolDep(ctx PathContext, pathComponents ...string) toolDepPath {
-	path, err := validatePath(pathComponents...)
-	if err != nil {
-		reportPathError(ctx, err)
-	}
-	return toolDepPath{basePath{path, ctx.Config(), ""}}
-}
-
 // PathForOutput joins the provided paths and returns an OutputPath that is
 // validated to not escape the build dir.
 // On error, it will return a usable, but invalid OutputPath, and report a ModuleError.
diff --git a/android/writedocs.go b/android/writedocs.go
index 4eb15e6..9e43e80 100644
--- a/android/writedocs.go
+++ b/android/writedocs.go
@@ -44,10 +44,6 @@
 }
 
 func (c *docsSingleton) GenerateBuildActions(ctx SingletonContext) {
-	var deps Paths
-	deps = append(deps, pathForBuildToolDep(ctx, ctx.Config().moduleListFile))
-	deps = append(deps, pathForBuildToolDep(ctx, ctx.Config().ProductVariablesFileName))
-
 	// Generate build system docs for the primary builder.  Generating docs reads the source
 	// files used to build the primary builder, but that dependency will be picked up through
 	// the dependency on the primary builder itself.  There are no dependencies on the
@@ -67,7 +63,6 @@
 	ctx.Build(pctx, BuildParams{
 		Rule:   soongDocs,
 		Output: docsFile,
-		Inputs: deps,
 		Args: map[string]string{
 			"outDir": PathForOutput(ctx, "docs").String(),
 		},