Add python3 repo

Change-Id: I659fd87a364634247b046df80d82be8d976aaebf

remove-minimal.xml

@@ -237,7 +237,6 @@
     <remove-project name="platform/external/libepoxy"  />
     <remove-project name="platform/external/libese"/>
     <remove-project name="platform/external/libexif"/>
-    <remove-project name="platform/external/libffi"  />
     <remove-project name="platform/external/libgav1"  />
     <remove-project name="platform/external/libgsm"/>
     <remove-project name="platform/external/libhevc"/>

twrp-default.xml

@@ -56,6 +56,7 @@
     </project>
     <project path="external/icu" name="android_external_icu" remote="TeamWin" revision="android-12.1"/>
     <project path="external/libxml2" name="android_external_libxml2" remote="TeamWin" revision="android-12.1"/>
+    <project path="external/python3" name="android_external_python3" remote="TeamWin" revision="android-12.1"/>
     <project path="external/sqlite" name="android_external_sqlite" remote="TeamWin" revision="android-12.1"/>
     <project path="packages/modules/adb" name="android_packages_modules_adb" remote="TeamWin" revision="android-12.1"/>
     <project path="system/core" name="android_system_core" remote="TeamWin" revision="android-12.1"/>