Clean up linked libraries

 * LOCAL_LD_LIBS and LOCAL_EXPORT_LDLIBS are the same
 * Remove unused -lEGL
Up the minSdkVersion to 9
Update target to android-10 for NDK code
Add -landroid to LOCAL_LDLIBS and LOCAL_EXPORT_LDLIBS
#define LOGD
Native Asset Manager
isFileExist()
getFileData()
Remove references to zip file