m4: correct and add more permissions to ueventd

Change-Id: Iba4ef4d1154a10ec6d00ca7604354de7f7d5296b
m4: remove unnecessary bluetooth files

Change-Id: I45faf91826f2c6133a22d193ce4f94052d3668ff
m4: disable keystore for now

Change-Id: Id3cbcf7f2b6c4227ae31c243f5747e92889d10bc