python: do not include by default

Native solution for ABX xml conversion will be used,
so python isn't necessary

Use TW_INCLUDE_PYTHON := true to add to build
if desired to use in TWRP

Change-Id: Ibe5cbabb6c7260966d933218f08d24e96e0b8a63
(cherry picked from commit 73ab9725661bcaafed88b70f16da200cd599e7d3)

Android.mk

@@ -144,7 +144,6 @@ ifeq ($(TW_OEM_BUILD),true)
     TW_EXCLUDE_TZDATA := true
     TW_EXCLUDE_NANO := true
     TW_EXCLUDE_BASH := true
-    TW_EXCLUDE_PYTHON := true
 endif
 
 ifeq ($(AB_OTA_UPDATER),true)
@@ -559,7 +558,7 @@ endif
 ifneq ($(TW_LOAD_VENDOR_MODULES),)
     TWRP_REQUIRED_MODULES += libmodprobe
 endif
-ifneq ($(TW_EXCLUDE_PYTHON),true)
+ifeq ($(TW_INCLUDE_PYTHON),true)
     TWRP_REQUIRED_MODULES += python3_twrp
 endif