I want to disble this component in my Android phone following these commands via ADB:

# adb root
# adb shell pm disable com.android.packageinstaller/.PackageInstallerActivity

But when I did a factory reset, it enabled again.

I tried to delete it but it’s java source code, not apk file, so, I can’t delete it via this path:
frameworks/base/packages/PackageInstaller/src/com/android/packageinstaller/PackageInstallerActivity.java
I want it to be removed permanently and can’t come back even after doing a factory reset.