Merge "Use -Werror in external/speex" am: 7d510888 am: 39a2e16c am: a5a941c2

am: d823ab13

Change-Id: I9418c0cec34ee3cd880208908288010a99ceda4e

Android.bp

@@ -39,6 +39,8 @@ cc_library_static {
         "-O3",
         "-fstrict-aliasing",
         "-fprefetch-loop-arrays",
+        "-Wall",
+        "-Werror",
         "-Wno-unused-parameter",
     ],
 
@@ -72,6 +74,9 @@ cc_library_shared {
         "-O3",
         "-fstrict-aliasing",
         "-fprefetch-loop-arrays",
+        "-Wall",
+        "-Werror",
+        "-Wno-error=unused-variable",
     ],
 
     local_include_dirs: ["include"],