aidl include paths are exported to droiddoc

This change fixes a bug that aidl include paths are not exported when a
java lib is used by a droiddoc module.

Bug: 135922046
Test: N/A
Change-Id: I367695677f60bfb4f324b788c7d09cd926cb75bb

java/droiddoc.go

@@ -655,6 +655,7 @@ func (j *Javadoc) collectDeps(ctx android.ModuleContext) deps {
 				deps.classpath = append(deps.classpath, dep.SdkImplementationJars(ctx, j.sdkVersion())...)
 			case Dependency:
 				deps.classpath = append(deps.classpath, dep.HeaderJars()...)
+				deps.aidlIncludeDirs = append(deps.aidlIncludeDirs, dep.AidlIncludeDirs()...)
 			case android.SourceFileProducer:
 				checkProducesJars(ctx, dep)
 				deps.classpath = append(deps.classpath, dep.Srcs()...)