libbinder: readString*Inplace SafetyNet (II)

SafetyNet logs (this time for failure case, instead of success case).

Bug: 172655291
Test: adb logcat -b events | grep snet # exactly one occurance w/ repro
(c/p'd from 34af0637666f43ae62040ad1bad76468423feba2)
Merged-In: I75ace071693c0a4579ed9477f7b9212a6e27c36d
Change-Id: I75ace071693c0a4579ed9477f7b9212a6e27c36d
1 file changed