Don't set native_bridge_supported: true for ndk libraries

Native bridge modules will never compile against stubs, remove
native_bridge_supported: true.

Test: m checkbuild
Change-Id: I0eb93fe1a2c3f6ca34ce4dab17edda8807132ce8
diff --git a/libc/Android.bp b/libc/Android.bp
index 9dcd180..e5c954e 100644
--- a/libc/Android.bp
+++ b/libc/Android.bp
@@ -2247,7 +2247,6 @@
 
 ndk_library {
     name: "libc",
-    native_bridge_supported: true,
     symbol_file: "libc.map.txt",
     first_version: "9",
 }
diff --git a/libdl/Android.bp b/libdl/Android.bp
index 9a31d36..91f85f9 100644
--- a/libdl/Android.bp
+++ b/libdl/Android.bp
@@ -216,7 +216,6 @@
 
 ndk_library {
     name: "libdl",
-    native_bridge_supported: true,
     symbol_file: "libdl.map.txt",
     first_version: "9",
 }
diff --git a/libm/Android.bp b/libm/Android.bp
index 6c8ad22..21be51b 100644
--- a/libm/Android.bp
+++ b/libm/Android.bp
@@ -516,7 +516,6 @@
 
 ndk_library {
     name: "libm",
-    native_bridge_supported: true,
     symbol_file: "libm.map.txt",
     first_version: "9",
 }