use lsp stub

app/build.gradle

@@ -62,4 +62,5 @@ android {
 dependencies {
     implementation fileTree(dir: 'libs', include: ['*.jar'])
     implementation project(path: ':lspcore')
+    compileOnly project(":hiddenapi-stubs")
 }

app/src/main/java/android/app/ActivityThread.java

@@ -1,22 +0,0 @@
-package android.app;
-
-import android.content.pm.ApplicationInfo;
-import android.content.res.CompatibilityInfo;
-
-public final class ActivityThread {
-    public static ActivityThread currentActivityThread() {
-        throw new UnsupportedOperationException("STUB");
-    }
-
-    public static Application currentApplication() {
-        throw new UnsupportedOperationException("STUB");
-    }
-
-    public static String currentPackageName() {
-        throw new UnsupportedOperationException("STUB");
-    }
-
-    public final LoadedApk getPackageInfoNoCheck(ApplicationInfo ai, CompatibilityInfo compatInfo) {
-        throw new UnsupportedOperationException("STUB");
-    }
-}

app/src/main/java/android/app/LoadedApk.java

@@ -1,21 +0,0 @@
-package android.app;
-
-import android.content.pm.ApplicationInfo;
-
-public final class LoadedApk {
-    public ApplicationInfo getApplicationInfo() {
-        throw new UnsupportedOperationException("STUB");
-    }
-
-    public ClassLoader getClassLoader() {
-        throw new UnsupportedOperationException("STUB");
-    }
-
-    public String getPackageName() {
-        throw new UnsupportedOperationException("STUB");
-    }
-
-    public String getResDir() {
-        throw new UnsupportedOperationException("STUB");
-    }
-}

app/src/main/java/android/content/res/CompatibilityInfo.java

@@ -1,18 +0,0 @@
-package android.content.res;
-
-import android.os.Parcel;
-import android.os.Parcelable;
-
-public class CompatibilityInfo implements Parcelable {
-    public static final Parcelable.Creator<CompatibilityInfo> CREATOR = null;
-
-    @Override
-    public int describeContents() {
-        throw new UnsupportedOperationException("STUB");
-    }
-
-    @Override
-    public void writeToParcel(Parcel dest, int flags) {
-        throw new UnsupportedOperationException("STUB");
-    }
-}