extra: gapps: Add a custom GApps variant

gapps.mk

@@ -1,15 +1,15 @@
 LOCAL_PATH := $(call my-dir)
 
 STOCK_GAPPS_DEVICES += \
-    %bacon \
     %berkeley \
     %ether \
-    %nash \
-    %shamu \
-    $(PIXEL_CODENAMES)
+    %nash
+
+CUSTOM_GAPPS_DEVICES += \
+    %shamu
 
 NANO_GAPPS_DEVICES += \
-#    %bacon \
+    %bacon \
     %jfltevzw \
     %molly
 
@@ -22,15 +22,46 @@ EXCLUDE_GAPPS_DEVICES += \
 
 GAPPS_DEVICES += \
     $(STOCK_GAPPS_DEVICES) \
-    $(NANO_GAPPS_DEVICES)
+    $(CUSTOM_GAPPS_DEVICES) \
+    $(NANO_GAPPS_DEVICES) \
+    $(PIXEL_CODENAMES)
+
+ifneq ($(filter $(PIXEL_CODENAMES),$(TARGET_PRODUCT)),)
+GAPPS_VARIANT := stock
+GAPPS_FORCE_PACKAGE_OVERRIDES := true
+GAPPS_FORCE_PIXEL_LAUNCHER := true
+endif # Pixel GApps
 
 ifneq ($(filter $(STOCK_GAPPS_DEVICES),$(TARGET_PRODUCT)),)
 GAPPS_VARIANT := stock
 GAPPS_FORCE_PACKAGE_OVERRIDES := true
 GAPPS_FORCE_PIXEL_LAUNCHER := true
-GAPPS_EXCLUDED_PACKAGES := GoogleCamera
+GAPPS_EXCLUDED_PACKAGES += \
+    GoogleCamera \
+    Turbo
 endif # Stock GApps
 
+ifneq ($(filter $(CUSTOM_GAPPS_DEVICES),$(TARGET_PRODUCT)),)
+GAPPS_VARIANT := stock
+GAPPS_FORCE_PACKAGE_OVERRIDES := true
+GAPPS_FORCE_PIXEL_LAUNCHER := true
+GAPPS_EXCLUDED_PACKAGES := GoogleCamera
+GAPPS_EXCLUDED_PACKAGES += \
+    Maps \
+    Hangouts \
+    EditorSheets \
+    YouTube \
+    PlusOne \
+    EditorDocs \
+    Drive \
+    FitnessPrebuilt \
+    PrebuiltKeep \
+    Books \
+    PlayGames \
+    Videos \
+    EditorSlides \
+    Turbo
+endif # Custom GApps
 
 ifneq ($(filter $(NANO_GAPPS_DEVICES),$(TARGET_PRODUCT)),)
 GAPPS_VARIANT := nano