Portage-Stable: Upgraded apr, apr-util, apache-tools, & apache

Upgraded dev-libs/apr to version 1.5.0-r2 on amd64, arm, x86
Upgraded dev-libs/apr-util to version 1.5.3-r1 on amd64, arm, x86
Upgraded app-admin/apache-tools to version 2.4.7-r1 on amd64, arm, x86
Upgraded apache eclasses.
Upgraded www-servers/apache to version 2.4.7 on amd64, arm, x86

BUG=chromium:338771
TEST=Emerged www-servers/apache and ensured it could be launched on my image.
Verified with trybot jobs on daisy, lumpy, x86-mario.

Change-Id: I8358092a74045362caa1b1133d4f660accca5060
Reviewed-on: https://chromium-review.googlesource.com/185413
Reviewed-by: Gaurav Shah <gauravsh@chromium.org>
Tested-by: Simran Basi <sbasi@chromium.org>
Reviewed-by: Mike Frysinger <vapier@chromium.org>
Commit-Queue: Simran Basi <sbasi@chromium.org>
40 files changed