Merge "Refresh Android.bp, cargo2android.json, TEST_MAPPING." am: e5ca9e6204 am: 220298c4a7

Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/percent-encoding/+/1912483

Change-Id: Iad0384133106620b80629d39ac54b593891041c6