Updated indentation to 4 spaces for Android.mk.

$(GEN): $(LOCAL_PATH)/IExpression.hal

	$(transform-generated-source)

LOCAL_GENERATED_SOURCES += $(GEN)

#

# Build IExpressionExt.hal

#

GEN := $(intermediates)/android/hardware/tests/expression/1.0/IExpressionExt.java

$(GEN): $(HIDL)

$(GEN): PRIVATE_HIDL := $(HIDL)

$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/IExpressionExt.hal

$(GEN): PRIVATE_DEPS += $(LOCAL_PATH)/IExpression.hal

$(GEN): $(LOCAL_PATH)/IExpression.hal

$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)

$(GEN): PRIVATE_CUSTOM_TOOL = \

        $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \

        -Ljava -randroid.hardware:hardware/interfaces \

        android.hardware.tests.expression@1.0::IExpressionExt

$(GEN): $(LOCAL_PATH)/IExpressionExt.hal

	$(transform-generated-source)

LOCAL_GENERATED_SOURCES += $(GEN)

include $(BUILD_STATIC_JAVA_LIBRARY)