Srtp: Fix Android.mk mistake

Using LOCAL_CLANG before the CLEAR_VARS actually used the one from
the previous project in Makefile include order.

Drop the whole ifeq. The flag is now filtered out for Clang.

Bug: 18632512
Change-Id: I7b6ca5cf3a6e6a97672bf7157de99daec75bd5a3
diff --git a/Android.mk b/Android.mk
index 0b49873..4e54347 100644
--- a/Android.mk
+++ b/Android.mk
@@ -34,11 +34,8 @@
     -Wno-ignored-qualifiers \
     -Wno-sign-compare \
     -Wno-missing-field-initializers \
-    -Wno-unused-parameter
-
-ifneq ($(LOCAL_CLANG),true)
-    common_CFLAGS += -Wno-unused-but-set-variable
-endif
+    -Wno-unused-parameter \
+    -Wno-unused-but-set-variable
 
 common_C_INCLUDES = $(LOCAL_PATH)/include
 
@@ -52,7 +49,6 @@
     LOCAL_SDK_VERSION := 9
 endif
 
-
 LOCAL_SRC_FILES := $(common_SRC_FILES)
 LOCAL_CFLAGS += $(common_CFLAGS)
 LOCAL_C_INCLUDES += $(common_C_INCLUDES)