httplive: detect oom if playlist is infinite

Bug: 68399439
Test: StagefrightTest#testStagefright_cve_2017_13279
Change-Id: Icf39c2ae58d9d6ba7c74bbcfbe2154e66e6c9e40
(cherry picked from commit f3808d3a2e8c646d5edad451a80daa61a4e5d836)
1 file changed