Add missing modules to the internal system image

DeviceDiagnostics is defined in handheld_system.mk

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.
(cherry picked from https://googleplex-android-review.googlesource.com/q/commit:8add49972f2ceef4e01c8cc802f88e3c6bc2f42e)
(cherry picked from https://googleplex-android-review.googlesource.com/q/commit:364469d1b22fe9e1c3d168bab2996bfe4802e8c2)
Merged-In: I7beb3ad6be7f5aa5d55c72de4e809cfbbf32f61b
Change-Id: I7beb3ad6be7f5aa5d55c72de4e809cfbbf32f61b
diff --git a/target/product/generic/Android.bp b/target/product/generic/Android.bp
index c14fa17..06fccb6 100644
--- a/target/product/generic/Android.bp
+++ b/target/product/generic/Android.bp
@@ -581,6 +581,7 @@
                 "ContactsProvider", // base_system
                 "CredentialManager", // handheld_system
                 "DeviceAsWebcam", // handheld_system
+                "DeviceDiagnostics", // handheld_system - internal
                 "DocumentsUI", // handheld_system
                 "DownloadProvider", // base_system
                 "DownloadProviderUi", // handheld_system