disable llamafile in android example

examples/llama.android/llama/build.gradle.kts

@@ -19,6 +19,7 @@ android {
         externalNativeBuild {
             cmake {
                 arguments += "-DLLAMA_BUILD_COMMON=ON"
+                arguments += "-DGGML_LLAMAFILE=OFF"
                 arguments += "-DCMAKE_BUILD_TYPE=Release"
                 cppFlags += listOf()
                 arguments += listOf()

ggml/src/ggml-cpu/llamafile/sgemm.cpp

@@ -204,6 +204,7 @@ template <> inline float32x4_t load(const float *p) {
     return vld1q_f32(p);
 }
 #if !defined(_MSC_VER)
+// FIXME: this should check for __ARM_FEATURE_FP16_VECTOR_ARITHMETIC
 template <> inline float16x8_t load(const ggml_fp16_t *p) {
     return vld1q_f16((const float16_t *)p);
 }