Add "-Wno-tautological-negation-compare"

Silences the compiler warning:
```
FAILED: out/soong/.intermediates/external/cblas/libblas/android_x86_64_silvermont_shared/obj/external/cblas/src/cblas_xerbla.o
...ared/obj/external/cblas/src/cblas_xerbla.o.d -o out/soong/.intermediates/external/cblas/libblas/android_x86_64_silvermont_shared/obj/external/cblas/src/cblas_xerbla.o external/cblas/src/cblas_xerbla.c
external/cblas/src/cblas_xerbla.c:65:13: error: '&&' of a value and its negation always evaluates to false [-Werror,-Wtautological-negation-compare]
   65 |    if (info && !info)
      |        ~~~~~^~~~~~~~
1 error generated.
```

Bug: b/301328082
Change-Id: I7189433826561089f64837ef0b6b4b2267a829ec

1 files changed, 4 insertions, 1 deletions

diff --git a/Android.bp b/Android.bp
index 69260b7..5ca3da8 100644
--- a/Android.bp
+++ b/Android.bp
@@ -179,7 +179,10 @@ cc_defaults {
         "src/xerbla.c",
     ],
 
-    cflags: ["-Werror"],
+    cflags: [
+        "-Werror",
+        "-Wno-tautological-negation-compare",
+    ],
     export_include_dirs: ["include"],
 }