qcom: grant access to /dev/diag to mediaserver

Change-Id: I645631d6046267b4aee544f331a037087110098b
mkbootimg: support pagesizes up to 16384

Change-Id: Idd6ff27e14eac8b98728f5f9a8e8fa87e6c8e23b
Merge "qcom: grant access to /dev/diag to mediaserver" into jellybean
Merge remote-tracking branch 'cyan/jellybean' into jellybean-cm