Support core library

To support core library, "Openjdk9", "No_standard_libs" and metalava
properties are added to java_sdk_library.
If core_lib is true, dist paths are changed to
apistubs/core/....
impl library name is changed to {module_name}.jar instead of
{module_name}.impl.jar

Bug: 110404779
Test: m -j
Change-Id: Ieb6248ea714b4260333d8bf61573d4f3413f7f24
Merged-In: Ieb6248ea714b4260333d8bf61573d4f3413f7f24
(cherry picked from commit af4907fed7)

java/java.go

@@ -336,8 +336,8 @@ type Dependency interface {
 }
 
 type SdkLibraryDependency interface {
-	HeaderJars(linkType linkType) android.Paths
-	ImplementationJars(linkType linkType) android.Paths
+	HeaderJars(ctx android.BaseContext, sdkVersion string) android.Paths
+	ImplementationJars(ctx android.BaseContext, sdkVersion string) android.Paths
 }
 
 type SrcDependency interface {
@@ -729,8 +729,7 @@ func (j *Module) collectDeps(ctx android.ModuleContext) deps {
 		case SdkLibraryDependency:
 			switch tag {
 			case libTag:
-				linkType, _ := getLinkType(j, ctx.ModuleName())
-				deps.classpath = append(deps.classpath, dep.HeaderJars(linkType)...)
+				deps.classpath = append(deps.classpath, dep.HeaderJars(ctx, j.sdkVersion())...)
 				// names of sdk libs that are directly depended are exported
 				j.exportedSdkLibs = append(j.exportedSdkLibs, otherName)
 			default:
@@ -748,6 +747,8 @@ func (j *Module) collectDeps(ctx android.ModuleContext) deps {
 				deps.staticHeaderJars = append(deps.staticHeaderJars, dep.Srcs()...)
 			case android.DefaultsDepTag, android.SourceDepTag:
 				// Nothing to do
+			case publicApiFileTag, systemApiFileTag, testApiFileTag:
+				// Nothing to do
 			default:
 				ctx.ModuleErrorf("dependency on genrule %q may only be in srcs, libs, or static_libs", otherName)
 			}