Merge "Update the documentation to clarify about the timer in ISecureClock." am: 33ee594688 am: a21ff111a5 am: 5f49ba6c64 am: aa9cf9f872 am: d6bec4989d

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/1826532

Change-Id: I9176ce5a7949262b3eb69f9761c8dc187d8deb3c