Disabling AccessibilityService sample from build system.

This is necessary for an upcoming doc push. I'll revert this change after the
doc push is complete.

Change-Id: I32bbff7797cf5af1642da2b907b20847c1d17d21

Author: tjohns

Android.mk

@@ -382,8 +382,6 @@ sample_dir := development/samples
 # (see development/build/sdk.atree)
 web_docs_sample_code_flags := \
 		-hdf android.hasSamples 1 \
-		-samplecode $(sample_dir)/AccessibilityService \
-		            resources/samples/AccessibilityService "Accessibility Service" \
 		-samplecode $(sample_dir)/ApiDemos \
 		            resources/samples/ApiDemos "API Demos" \
 		-samplecode $(sample_dir)/BackupRestore \