android envsetup: Stop adding build-tools dir (aidl, aapt, dx, dexdump) to PATH.

build/android/envsetup_functions.sh

 #!/bin/bash
 
 # Copyright (c) 2012 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 # Defines functions for envsetup.sh which sets up environment for building
 # Chromium on Android.  The build can be either use the Android NDK/SDK or
 # android source tree.  Each has a unique init function which calls functions
 # prefixed with "common_" that is common for both environment setups.
 
 ################################################################################
 # Exports environment variables common to both sdk and non-sdk build (e.g. PATH)
 # based on CHROME_SRC, along with DEFINES for GYP_DEFINES.
 ################################################################################
 common_vars_defines() {
   # Add Android SDK tools to system path.
   export PATH=$PATH:${ANDROID_SDK_ROOT}/tools
   export PATH=$PATH:${ANDROID_SDK_ROOT}/platform-tools
-  export PATH=$PATH:${ANDROID_SDK_ROOT}/build-tools/\
-${ANDROID_SDK_BUILD_TOOLS_VERSION}
 
   # Add Chromium Android development scripts to system path.
   # Must be after CHROME_SRC is set.
   export PATH=$PATH:${CHROME_SRC}/build/android
 
   # The set of GYP_DEFINES to pass to gyp.
   DEFINES="OS=android"
 
   if [[ -n "$CHROME_ANDROID_OFFICIAL_BUILD" ]]; then
     # These defines are used by various chrome build scripts to tag the binary's
@@ skipping 137 matching lines @@
   DEFINES+=" android_sdk_root=\$(PWD)/${ANDROID_SDK}"
   DEFINES+=" android_sdk_tools=\$(PWD)/${ANDROID_SDK_TOOLS}"
   DEFINES+=" android_sdk_version=${android_sdk_version}"
   DEFINES+=" android_toolchain=${ANDROID_TOOLCHAIN}"
   if [[ -n "$CHROME_ANDROID_WEBVIEW_OFFICIAL_BUILD" ]]; then
     DEFINES+=" logging_like_official_build=1"
     DEFINES+=" tracing_like_official_build=1"
   fi
   export GYP_DEFINES="${DEFINES}"
 }