Running angle deqp test case, an invalid heap exception is thrown in
angle on both linux and windows platforms.
If build a nonsequential heap, and then erase any node of the heap,
the heap is no longer valid. If using std::push_heap or std::pop_heap
method next, this exception will be thrown out. So we should use
std::make_heap after modifying the heap.

TEST=angle_deqp_gles2_tests
TEST=angle_deqp_gles3_tests
TEST=HandleAllocatorTest.ReserveAfterReleaseBug

BUG=angleproject:2326

Change-Id: I123fc81b3365c93081d0042c69b4e5114956fe0d
Reviewed-on: https://chromium-review.googlesource.com/892961Reviewed-by: Jamie Madill <jmadill@chromium.org>
Commit-Queue: Jamie Madill <jmadill@chromium.org>