Add missing modules to the internal system image

libmonkey_jni and uprobestats are defined in base_system.mk, but not
in aosp for now.
DeviceDiagnostics is also defined in handheld_system.mk
Submit these to internal only until it is upstreamed to aosp.

Bug: 365670526
Test: lunch aosp_cf_x86_64_phone_soong_system-trunk_staging-userdebug
      && m
Ignore-AOSP-First: The module is internal-only.
Flag: NONE This does not change the existing behavior.
Change-Id: I7beb3ad6be7f5aa5d55c72de4e809cfbbf32f61b