docs: Fixed typo
docs: Fixed typo

Spelling fix, I'll verify it with a build then go ahead and +2
it. I'll leave the stage up until DAC is updated... (See first
comment for stage location.)

bug: 25382224
Change-Id: Ia7127c325890ad205463d9c92c1edb990f24c661

xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base