Disallow shared libraries in bootclasspath_fragment contents

Bug: 177892522
Test: m nothing
Change-Id: I78c8ef8664ec1eb0fe3456a2de2cb956162ca0da

java/bootclasspath_fragment.go

@@ -372,7 +372,11 @@ func (b *BootclasspathFragmentModule) GenerateAndroidBuildActions(ctx android.Mo
 	ctx.VisitDirectDeps(func(module android.Module) {
 		tag := ctx.OtherModuleDependencyTag(module)
 		if IsBootclasspathFragmentContentDepTag(tag) {
-			contents = append(contents, module)
+			if sdkLibrary, ok := module.(SdkLibraryDependency); ok && sdkLibrary.sharedLibrary() {
+				ctx.PropertyErrorf("contents", "invalid module: %s, shared libraries cannot be on the bootclasspath", ctx.OtherModuleName(module))
+			} else {
+				contents = append(contents, module)
+			}
 		}
 	})