ci : disable CUDA and Android builds

examples/whisper.android/lib/src/main/jni/whisper/CMakeLists.txt

@@ -6,7 +6,7 @@ set(CMAKE_CXX_STANDARD 17)
 set(WHISPER_LIB_DIR ${CMAKE_SOURCE_DIR}/../../../../../../..)
 
 # Path to external GGML, otherwise uses the copy in whisper.cpp.
-option(GGML_HOME       "whisper: Path to external GGML source" OFF)
+option(GGML_HOME "whisper: Path to external GGML source" OFF)
 
 set(
     SOURCE_FILES
@@ -14,6 +14,8 @@ set(
     ${CMAKE_SOURCE_DIR}/jni.c
     )
 
+# TODO: this needs to be updated to work with the new ggml CMakeLists
+
 if (NOT GGML_HOME)
     set(
         SOURCE_FILES