Fix Travis build by running tests as root

A recent configuration change made it necessary to run our tests on
Travis as root.

This change also increases the timeout of ParallelChildCrashesDontHang
to make it pass in Travis virtualized containers.

Bug: google-breakpad:753
Change-Id: I6ca8ff4513c6ea3e0646f22457f28b5c4fca6654
Reviewed-on: https://chromium-review.googlesource.com/890564
Reviewed-by: Mike Frysinger <vapier@chromium.org>

scripts/travis-build.sh

@@ -43,7 +43,7 @@ coverity_scan() {
 
 # Do an in-tree build and make sure tests pass.
 build() {
-  ./configure
+  ./configure --with-tests-as-root
   make -j${JOBS} check VERBOSE=1
   make distclean
 }
@@ -52,7 +52,7 @@ build() {
 build_out_of_tree() {
   mkdir -p build/native
   pushd build/native >/dev/null
-  ../../configure
+  ../../configure --with-tests-as-root
   make -j${JOBS} distcheck VERBOSE=1
   popd >/dev/null
 }