Check mDataPos to see if the Parcel needs to grow Flag: EXEMPT bug fix Ignore-AOSP-First: security fix Test: atest binderUnitTest Bug: 399155883 (cherry picked from https://googleplex-android-review.googlesource.com/q/commit:f0b1c904a607f4dea4f35e3e9bc53e25f059f50e) (cherry picked from https://googleplex-android-review.googlesource.com/q/commit:5a247775d486c997f49b900477b8fd1c3eaba263) (cherry picked from commit 67024077a81b24033bc5f5f089b1870990b22512) Cherrypick-From: https://googleplex-android-review.googlesource.com/q/commit:089f57d23bc95ba5ebdee27869442b045b69896a Merged-In: I38b755ca3381cfca3300292873f763823fbf169b Change-Id: I38b755ca3381cfca3300292873f763823fbf169b