[automerger skipped] Make FlexLexer buildable for native_bridge am: 3ab803aed2 am: 1b6157683b -s ours am: e96457681e -s ours

am skip reason: Change-Id Ic58f84e68b224b109a56f61be5dd52bf3b109aa8 with SHA-1 3ab803aed2 is in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/prebuilts/build-tools/+/11988742

Change-Id: I97861cef5f47b7a4c39e66b362e25be46dfb45e1