Disable XOM in linker, libc, and libm.

These modules have issues running with execute-only memory. Disable it
in them until we can resolve the issues.

Bug: 77958880
Test: No more XOM-related crashes in these binaries

Change-Id: Ie6c957731155566c2bbe7dbb7a91b9583d9aff93
diff --git a/libc/Android.bp b/libc/Android.bp
index c08df9d..4c5b0b3 100644
--- a/libc/Android.bp
+++ b/libc/Android.bp
@@ -76,6 +76,9 @@
     },
     native_coverage: false,
     recovery_available: true,
+
+    // TODO(ivanlozano): Remove after b/118321713
+    xom: false,
 }
 
 // ANDROIDMK TRANSLATION ERROR: unsupported directive