libion: Disable for omap3

the omap3 HAL repository has its own modified libion, which is
necessary for the openmax libraries

Change-Id: Ic6f175fe456a2891d5556d937c3073215b861981

Author: rmcc

libion/Android.mk

@@ -1,3 +1,5 @@
+ifneq ($(TARGET_BOARD_PLATFORM),omap3)
+
 LOCAL_PATH:= $(call my-dir)
 
 include $(CLEAR_VARS)
@@ -13,3 +15,5 @@ LOCAL_MODULE := iontest
 LOCAL_MODULE_TAGS := optional tests
 LOCAL_SHARED_LIBRARIES := liblog
 include $(BUILD_EXECUTABLE)
+
+endif