Keep IS_SDL2 and cleanup

Author: misl6

pythonforandroid/bootstraps/common/build/templates/gradle.tmpl.properties

@@ -6,5 +6,4 @@ org.gradle.jvmargs=-Xmx2500m -XX:MaxMetaspaceSize=512m -XX:+HeapDumpOnOutOfMemor
 {% if args.enable_androidx %}
 android.useAndroidX=true
 android.enableJetifier=true
-{% endif %}
-org.gradle.jvmargs=-Xmx4608m
+{% endif %}

pythonforandroid/recipes/android/__init__.py

@@ -34,7 +34,6 @@ def prebuild_arch(self, arch):
         if isinstance(ctx_bootstrap, bytes):
             ctx_bootstrap = ctx_bootstrap.decode('utf-8')
         bootstrap = bootstrap_name = ctx_bootstrap
-        is_sdl = (bootstrap_name in ["sdl2", "sdl3"])
         if bootstrap_name in ["sdl2", "sdl3", "webview", "service_only", "service_library", "qt"]:
             java_ns = u'org.kivy.android'
             jni_ns = u'org/kivy/android'
@@ -47,7 +46,8 @@ def prebuild_arch(self, arch):
 
         config = {
             'BOOTSTRAP': bootstrap,
-            'IS_SDL': int(is_sdl),
+            'IS_SDL2': int(bootstrap_name == "sdl2"),
+            'IS_SDL3': int(bootstrap_name == "sdl3"),
             'PY2': 0,
             'JAVA_NAMESPACE': java_ns,
             'JNI_NAMESPACE': jni_ns,