Switch to clang-r377782b

Bug: 149509676
Test: make
Change-Id: I2bf35cf4e96fd6048a124d653389a6c7384b3e43
diff --git a/vndk/tools/header-checker/android/envsetup.sh b/vndk/tools/header-checker/android/envsetup.sh
index 9603abc..7101d6f 100644
--- a/vndk/tools/header-checker/android/envsetup.sh
+++ b/vndk/tools/header-checker/android/envsetup.sh
@@ -15,5 +15,5 @@
 # limitations under the License.
 
 export LLVM_BUILD_HOST_TOOLS=true
-export LLVM_PREBUILTS_VERSION=clang-r377782
-export LLVM_RELEASE_VERSION=10.0.3
+export LLVM_PREBUILTS_VERSION=clang-r377782b
+export LLVM_RELEASE_VERSION=10.0.4