Remove -Wno-uninitialized for libc.

Bug: N/A
Test: builds
Change-Id: I79e66374b4eeba671705fdc7728f19f3a5c1fa64
diff --git a/libc/Android.bp b/libc/Android.bp
index 20df52c..360aea3 100644
--- a/libc/Android.bp
+++ b/libc/Android.bp
@@ -285,7 +285,6 @@
 
     cflags: [
         "-Wno-sign-compare",
-        "-Wno-uninitialized",
         "-Wno-unused-parameter",
         "-include freebsd-compat.h",
     ],
@@ -368,7 +367,6 @@
     },
     cflags: [
         "-Wno-sign-compare",
-        "-Wno-uninitialized",
         "-Wno-unused-parameter",
         "-DPOSIX_MISTAKE",
         "-include netbsd-compat.h",
@@ -498,7 +496,6 @@
 
     cflags: [
         "-Wno-sign-compare",
-        "-Wno-uninitialized",
         "-Wno-unused-parameter",
         "-include openbsd-compat.h",
     ],
@@ -638,7 +635,6 @@
 
     cflags: [
         "-Wno-sign-compare",
-        "-Wno-uninitialized",
         "-Wno-unused-parameter",
         "-include openbsd-compat.h",
     ],
@@ -688,7 +684,6 @@
 
     cflags: [
         "-Wno-sign-compare",
-        "-Wno-uninitialized",
         "-include openbsd-compat.h",
     ],