remove clang property from Android.bp files

Bug: 208980553
Test: treehugger
Change-Id: Ia081e8db56d261f9075d6df339ca453bf588d8d7
diff --git a/libs/attestation/Android.bp b/libs/attestation/Android.bp
index d233b96..2bf15d4 100644
--- a/libs/attestation/Android.bp
+++ b/libs/attestation/Android.bp
@@ -31,8 +31,6 @@
         "HmacKeyManager.cpp",
     ],
 
-    clang: true,
-
     shared_libs: [
         "liblog",
         "libcrypto",
diff --git a/libs/nativedisplay/Android.bp b/libs/nativedisplay/Android.bp
index 6d8c81b..4659b96 100644
--- a/libs/nativedisplay/Android.bp
+++ b/libs/nativedisplay/Android.bp
@@ -43,8 +43,6 @@
         "include-private",
     ],
 
-    clang: true,
-
     cflags: [
         "-Wall",
         "-Werror",
diff --git a/libs/nativewindow/Android.bp b/libs/nativewindow/Android.bp
index ce5882a..f7d2451 100644
--- a/libs/nativewindow/Android.bp
+++ b/libs/nativewindow/Android.bp
@@ -72,8 +72,6 @@
         "include-private",
     ],
 
-    clang: true,
-
     cflags: [
         "-Wall",
         "-Werror",