Update apr from 1.6.3 to 1.7.0 (#3409)

Tested on ARM.

packages/apr.rb

@@ -2,22 +2,14 @@ require 'package'
 
 class Apr < Package
   description 'The mission of the Apache Portable Runtime (APR) project is to create and maintain software libraries that provide a predictable and consistent interface to underlying platform-specific implementations.  APR is the base portability library.'
-  homepage 'http://apr.apache.org/'
-  version '1.6.3'
-  source_url 'https://apache.claz.org/apr/apr-1.6.3.tar.bz2'
-  source_sha256 '131f06d16d7aabd097fa992a33eec2b6af3962f93e6d570a9bd4d85e95993172'
+  homepage 'https://apr.apache.org/'
+  version '1.7.0'
+  source_url 'https://apache.claz.org/apr/apr-1.7.0.tar.bz2'
+  source_sha256 'e2e148f0b2e99b8e5c6caa09f6d4fb4dd3e83f744aa72a952f94f5a14436f7ea'
 
   binary_url ({
-    aarch64: 'https://dl.bintray.com/chromebrew/chromebrew/apr-1.6.3-chromeos-armv7l.tar.xz',
-     armv7l: 'https://dl.bintray.com/chromebrew/chromebrew/apr-1.6.3-chromeos-armv7l.tar.xz',
-       i686: 'https://dl.bintray.com/chromebrew/chromebrew/apr-1.6.3-chromeos-i686.tar.xz',
-     x86_64: 'https://dl.bintray.com/chromebrew/chromebrew/apr-1.6.3-chromeos-x86_64.tar.xz',
   })
   binary_sha256 ({
-    aarch64: '6792f3be82153a55571005b4e61e971fc49e4cefcc3f77f8fe91433450efa91b',
-     armv7l: '6792f3be82153a55571005b4e61e971fc49e4cefcc3f77f8fe91433450efa91b',
-       i686: '11f1b82c2837e841bb02daa0e281d15130b3bec060c673c5d6175038689d2eee',
-     x86_64: 'c22341487a85273be410903c4ef4dfef849e4a01815f974aa23346a7488ea568',
   })
 
   def self.build