Windows SDK: define BEGIN_DECLS/END_DECLS.
Windows SDK: define BEGIN_DECLS/END_DECLS.

These macros are not provided by MingW by default.

Change-Id: I623fda6c8e25e26573543c9368ebad47abc7f5c3

xorware/android_build,xorware/android_build,xorware/android_build,xorware/android_build,xorware/android_build