Merge changes I95ebeb36,I37da934b,Ifa4a739c,I3d8e5c72,If6a14c4e into main

* changes:
  Fix memory leak of lastArray when newArray == NULL
  Adjust procfs heap buffer growth limit to 64 MiB
  Don't restart procfs reads from scratch
  Fix UAF in android_os_Process_readProcFile when kDebugProc==true
  Keep reading until end-of-file in reading procfs