Parcel: Use @CriticalNative when possible.

- Change some methods from FastNative to CritcialNative
- Change nativeGetBlobAshmemSize to CritcalNative

- ParcelPerfTest.java (CorePerfTests)
bullhead-userdebug + prep_buller.sh, mean(ns), changed methods only
-- After
timeGetDataCapacity_mean    166 +39.16%
timeGetDataPosition_mean    169 +53.25%
timeReadByte_mean           296 +39.86%
timeReadLong_mean           284 +61.97%
timeSetDataPosition_mean    173 +34.10%
timeGetDataSize_mean        173 +37.57%
timeReadInt_mean            284 +57.04%

-- Before
timeGetDataCapacity_mean    231
timeGetDataPosition_mean    259
timeReadByte_mean           414
timeReadLong_mean           460
timeSetDataPosition_mean    232
timeGetDataSize_mean        238
timeReadInt_mean            446

Bug: 62135986
Test: bit CtsOsTestCases:android.os.cts.ParcelTest
Change-Id: I8c7ede25c87017ef2c7a49beaa3ac781c08ea365