Fix third party license formats

Fix improperly formatted license fields.

Bug: 391453527, 391452781
Change-Id: Id46c02962b9f1cb34912d4be1fd14a85fee06cdd
Reviewed-on: https://chromium-review.googlesource.com/c/openscreen/+/6219944
Commit-Queue: Jordan Bayles <jophba@chromium.org>
Reviewed-by: Muyao Xu <muyaoxu@google.com>

third_party/libfuzzer/README.chromium

diff --git a/third_party/libfuzzer/README.chromium b/third_party/libfuzzer/README.chromium
index 615c7d9..7d65f67 100644
--- a/third_party/libfuzzer/README.chromium
+++ b/third_party/libfuzzer/README.chromium
@@ -2,7 +2,7 @@
 URL: http://llvm.org/docs/LibFuzzer.html
 Version: N/A
 Revision: debe7d2d1982e540fbd6bd78604bf001753f9e74
-License: University of Illinois/NCSA Open Source
+License: NCSA
 License File: LICENSE.txt
 Security Critical: no
 Shipped: no

third_party/llvm-libc/README.chromium

diff --git a/third_party/llvm-libc/README.chromium b/third_party/llvm-libc/README.chromium
index 89f1bc7..2a4d33a 100644
--- a/third_party/llvm-libc/README.chromium
+++ b/third_party/llvm-libc/README.chromium
@@ -2,7 +2,7 @@
 URL: https://libc.llvm.org/
 Version: N/A
 Revision: DEPS
-License: MIT, University of Illinois/NCSA Open Source License
+License: MIT, NCSA
 License File: src/LICENSE.TXT
 Security Critical: yes
 Shipped: yes