[automerger skipped] liblog: fix reading pmsg am: 709d5692 -s ours am:...

[automerger skipped] liblog: fix reading pmsg am: 709d5692 -s ours am: c791c8e5 -s ours am: 6b30cc4e -s ours

am skip reason: Change-Id Ic01e73bf4d8ba8419cc770138565aa1210a6078b with SHA-1 709d5692 is in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/system/core/+/11899686

Change-Id: Iaa1ca6672c54a7f8391b8e9e14a0c071d563a58b