Update java_api_library in testing modules

The full api surface java_api_library modules are currently defined as
java_library modules instead of java_api_library modules. This change
corrects this and modifies the DepsInfo of java_api_library so that it
can be compatible in tests.

Test: go ./java
Change-Id: I540b5a930f506ce5f7663ab6e07c6df49af15cf9
diff --git a/java/java.go b/java/java.go
index 97d5514..c97f427 100644
--- a/java/java.go
+++ b/java/java.go
@@ -1612,7 +1612,7 @@
 }
 
 type JavaApiLibraryDepsInfo struct {
-	StubsJar    android.Path
+	JavaInfo
 	StubsSrcJar android.Path
 }
 
@@ -1821,7 +1821,7 @@
 			staticLibs = append(staticLibs, provider.HeaderJars...)
 		case depApiSrcsTag:
 			provider := ctx.OtherModuleProvider(dep, JavaApiLibraryDepsProvider).(JavaApiLibraryDepsInfo)
-			classPaths = append(classPaths, provider.StubsJar)
+			classPaths = append(classPaths, provider.HeaderJars...)
 			depApiSrcsStubsSrcJar = provider.StubsSrcJar
 		}
 	})
@@ -1900,7 +1900,9 @@
 	})
 
 	ctx.SetProvider(JavaApiLibraryDepsProvider, JavaApiLibraryDepsInfo{
-		StubsJar:    al.stubsJar,
+		JavaInfo: JavaInfo{
+			HeaderJars: android.PathsIfNonNil(al.stubsJar),
+		},
 		StubsSrcJar: al.stubsSrcJar,
 	})
 }