Remove frameworkResModule from sdkCorePlatform.

This seems unnecessary: modules using `sdk_version: "core_platform"`
don't expect frameworks dependencies.

Test: m framework
Change-Id: Ib7ad715d1f4b4934c3c4a84839f4ead85a5abb29
diff --git a/java/sdk.go b/java/sdk.go
index 4fffd86..e3472ce 100644
--- a/java/sdk.go
+++ b/java/sdk.go
@@ -437,11 +437,10 @@
 		}
 	case sdkCorePlatform:
 		return sdkDep{
-			useModule:          true,
-			systemModules:      config.LegacyCorePlatformSystemModules,
-			bootclasspath:      config.LegacyCorePlatformBootclasspathLibraries,
-			frameworkResModule: "framework-res",
-			noFrameworksLibs:   true,
+			useModule:        true,
+			systemModules:    config.LegacyCorePlatformSystemModules,
+			bootclasspath:    config.LegacyCorePlatformBootclasspathLibraries,
+			noFrameworksLibs: true,
 		}
 	case sdkPublic:
 		return toModule([]string{"android_stubs_current"}, "framework-res", sdkFrameworkAidlPath(ctx))