Rename libgsl because it conflicts.

Bug: https://issuetracker.google.com/113072504
Bug: https://issuetracker.google.com/145581372
Test: treehugger
Change-Id: I916d82d4f877fc30fde4d173d772dbefa348070d
diff --git a/Android.bp b/Android.bp
index 9c6e08a..a2b1ff5 100644
--- a/Android.bp
+++ b/Android.bp
@@ -14,9 +14,8 @@
 // limitations under the License.
 //
 
-// Header only.
 cc_library_headers {
-    name: "libgsl",
+    name: "microsoft-gsl",
     host_supported: true,
     export_include_dirs: ["include"],
     cflags: ["-Wall", "-Werror"],