Revert "Revert "Revert "Make libc.so global"""

This reverts commit 2a4d892c7f14d849b5f349528ed2b921b19f5645.

Bug: http://b/35417197
Bug: http://b/35338922
Bug: http://b/35700074
Test: manual
Change-Id: Ib99d23d46664f3efa5be70213aa093b505e38775
diff --git a/libc/Android.bp b/libc/Android.bp
index f663a97..6aebb3c 100644
--- a/libc/Android.bp
+++ b/libc/Android.bp
@@ -1665,8 +1665,6 @@
         keep_symbols: true,
     },
 
-    ldflags: ["-Wl,-z,global"],
-
     // Do not pack libc.so relocations; see http://b/20645321 for details.
     pack_relocations: false,