Renaming NOTICE to LICENSE to comply with Third Party policy.

Change-Id: Ia1a4132a9994423b1a12bf7e41700a2c45f72c0c
diff --git a/linux-x64/clang/NOTICE b/linux-x64/clang/LICENSE
similarity index 100%
rename from linux-x64/clang/NOTICE
rename to linux-x64/clang/LICENSE