Add env varaible for tuning the tuning execution time.

model.config

@@ -7,3 +7,4 @@ OUTPUT_SHAPE=1,64,64,2
 RUNTIME=gpu
 TUNING_OR_NOT=1
 ANDROID_ABI=armeabi-v7a # Or 'arm64-v8a'
+LIMIT_OPENCL_KERNEL_TIME=1

validate_model.sh

@@ -78,7 +78,6 @@ build_and_run()
     --copt="-D_GLIBCXX_USE_C99_MATH_TR1" \
     --copt="-Werror=return-type" \
     --copt="-DMACE_MODEL_TAG=${MODEL_TAG}" \
-    --copt="-DMACE_OBFUSCATE_LITERALS" \
     $PRODUCTION_MODE_BUILD_FLAGS \
     --define hexagon=true || exit -1
 
@@ -96,6 +95,7 @@ build_and_run()
     MACE_CPP_MIN_VLOG_LEVEL=$VLOG_LEVEL \
     MACE_RUN_PARAMETER_PATH=${PHONE_DATA_DIR}/mace_run.config \
     MACE_KERNEL_PATH=$KERNEL_DIR \
+    MACE_LIMIT_OPENCL_KERNEL_TIME=${LIMIT_OPENCL_KERNEL_TIME} \
     ${PHONE_DATA_DIR}/mace_run \
     --input_shape="${INPUT_SHAPE}"\
     --output_shape="${OUTPUT_SHAPE}"\