Add a few apps to mainline_system.

- LiveWallPapersPicker is included virtually everywhere
- PartnerBookmarksProvider is required by other apps
- SafetyRegulatoryInfo shows html content from a res overlay
- DMService, RcsService and Stk are all telephony apps
  of some sort.

Bug: 80410283
Test: lunch mainline_arm64; m nothing
Change-Id: I5afabc7dcc4ca320f06fdc4a2669fb1b81e53b0b

target/product/mainline_system.mk

@@ -22,6 +22,15 @@ $(call inherit-product, $(SRC_TARGET_DIR)/product/telephony_system.mk)
 PRODUCT_PACKAGES += \
     com.android.nfc_extras \
 
+# Applications
+PRODUCT_PACKAGES += \
+    DMService \
+    LiveWallpapersPicker \
+    PartnerBookmarksProvider \
+    RcsService \
+    SafetyRegulatoryInfo \
+    Stk \
+
 # OTA support
 PRODUCT_PACKAGES += \
     update_engine \