Retire LOCAL_NDK_VERSION.

Bug: 6932421
Change-Id: Ifbe4b057a82792e6238edb51db2dbec75f0678f3

samples/PhotoEditor/jni/Android-portable.mk

diff --git a/samples/PhotoEditor/jni/Android-portable.mk b/samples/PhotoEditor/jni/Android-portable.mk
index 2a83f8a..4b3d4be 100644
--- a/samples/PhotoEditor/jni/Android-portable.mk
+++ b/samples/PhotoEditor/jni/Android-portable.mk
@@ -36,7 +36,6 @@
 
 # This doesn't work on non-ARM yet.
 ifeq ($(TARGET_ARCH), arm)
-    LOCAL_NDK_VERSION := 5
     LOCAL_SDK_VERSION := 9
 endif
 

samples/PhotoEditor/jni/Android.mk

diff --git a/samples/PhotoEditor/jni/Android.mk b/samples/PhotoEditor/jni/Android.mk
index e1db8b8..4df4c5b 100644
--- a/samples/PhotoEditor/jni/Android.mk
+++ b/samples/PhotoEditor/jni/Android.mk
@@ -36,7 +36,6 @@
 
 # This doesn't work on non-ARM yet.
 ifeq ($(TARGET_ARCH), arm)
-    LOCAL_NDK_VERSION := 5
     LOCAL_SDK_VERSION := 9
 endif