Increment when attempting to read protected Parcel Data

Increment when attempting to read protected Parcel Data

Make sure to increment the parcel data position even when trying to
improperly read from protected data

Bug: 29833520

Test (M): cts-tradefed run cts -c android.os.cts.ParcelTest -m testBinderDataProtection
Test (M): cts-tradefed run cts -c android.os.cts.ParcelTest -m testBinderDataProtectionIncrements
Test: cts-tradefed run cts -m CtsOsTestCases -t android.os.cts.ParcelTest#testBinderDataProtection
Test: cts-tradefed run cts -m CtsOsTestCases -t android.os.cts.ParcelTest#testBinderDataProtectionIncrements

Change-Id: Ie4aae6277fc5f5c924f603d9828c3a608998b986
Merged-In: Ie4aae6277fc5f5c924f603d9828c3a608998b986
(cherry picked from commit 6a825e8ad1a3928dd872bb7c3fbcd94784d77267)