diff --git a/prebuilt_hashes/26.txt b/prebuilt_hashes/26.txt
new file mode 100644
index 0000000..f2feb4c
--- /dev/null
+++ b/prebuilt_hashes/26.txt
@@ -0,0 +1,186 @@
+# Do not change this file except to add new interfaces. Changing
+# pre-existing interfaces will fail VTS and break framework-only OTAs
+
+# HALs released in Android O
+
+f219c3b5b8c6cb1d659d4c7328f67246abfe1a8613f469826fd3b9ad090417a2 android.hardware.audio@2.0::IDevice
+4d579cae1cd87a783fd49233e10ce720ba183cfd1d5ccd80149e69de5c1c7362 android.hardware.audio@2.0::IDevicesFactory
+203e23f18011390b8cd10c303e0c16c4eebc8fa187e80e40d6be4624c2b0848a android.hardware.audio@2.0::IPrimaryDevice
+aaf93123deec336eb247ad8099849469a541ca0cf7c28c5f5336cebe1ee86748 android.hardware.audio@2.0::IStream
+0468c5723b0d44c5b451bdfa06153000c6f352fd3336e0ad2697127b04b766df android.hardware.audio@2.0::IStreamIn
+7296f7064fd3ab24082b43a1da34cc876268065310b785499fba5178d063680a android.hardware.audio@2.0::IStreamOut
+19d241d71c3e1140afba8140dcb57448446025a5fc03739788c4c25e9a98b6c2 android.hardware.audio@2.0::IStreamOutCallback
+c84da9f586087227daa3b96d42b4575326bccfd5bc8a2a5acf86d774f8ea2648 android.hardware.audio@2.0::types
+1305786c06e22b9b24ebde136054cc827b63c86d8bf4a136d6f7f54752b8566b android.hardware.audio.common@2.0::types
+fa8fbae3d1da3c264e4f3110728076abc09b4e65f12af6ae136367328de988ab android.hardware.audio.effect@2.0::IAcousticEchoCancelerEffect
+ca4752545d54547ff069eae161af7550cb5f5a7e8b60316ddd132a30906a68e7 android.hardware.audio.effect@2.0::IAutomaticGainControlEffect
+d2b8af988dc66f514d886bcee44b440d8034bc2a762f7161717ef3c956073067 android.hardware.audio.effect@2.0::IBassBoostEffect
+611bc09c75e796f3512b1ca6be508b0a9ba996759b8a2c60507784ff58076229 android.hardware.audio.effect@2.0::IDownmixEffect
+36a57369dfdc75180e8b64ae80b1970db8f6d9085dbff6ca931715038cc056e1 android.hardware.audio.effect@2.0::IEffect
+d2aa2df6d189c580f5be8460fa0ff4134d9c05a383f3204659baee426a6f0edf android.hardware.audio.effect@2.0::IEffectBufferProviderCallback
+217f9161983a48d3bf3faeb158f868aa8bf0ce25889e4ee3d2bab1a2e8d33e77 android.hardware.audio.effect@2.0::IEffectsFactory
+c2b38bc07991e880c83ca8cb88181411eeef708b8b936aedd2f2e0acade7df69 android.hardware.audio.effect@2.0::IEnvironmentalReverbEffect
+2ff9f9704be5f167745b4de790e9dafc3cc4719e2f6e2e5497085e679853cfe7 android.hardware.audio.effect@2.0::IEqualizerEffect
+c31447fb02dbc8b56c359941dad22f416511860173c5c5fd278d1bf2312b13de android.hardware.audio.effect@2.0::ILoudnessEnhancerEffect
+804831ca258802eb3eb65a0a7b5d5e3d37d4a15ba8c2836b4276eda98b47e1d0 android.hardware.audio.effect@2.0::INoiseSuppressionEffect
+778fd5b9837f481d8e47425b3e2a3bd0c6362a0b6870291518e2d863530fdb61 android.hardware.audio.effect@2.0::IPresetReverbEffect
+c93cb25a1a92d07aa80a617c01e8d22fc97bf8cefd3962b6a5be386ad4704d89 android.hardware.audio.effect@2.0::IVirtualizerEffect
+918f331780c9c7b04f2151a2e563aab088198ede8e6f865302ebaa13905bd9ce android.hardware.audio.effect@2.0::IVisualizerEffect
+4caad099f8fc00262b6c03ba41271808b37cea90ac98b534299bbf4ee823af02 android.hardware.audio.effect@2.0::types
+# android.hardware.automotive.* are unfrozen
+1fbdc1f852f8bd2e4a6c5cb30ac2b78668c98dce118a61762d4034ae859f43d8 android.hardware.biometrics.fingerprint@2.1::IBiometricsFingerprint
+aabb5c3c585592d71ee57b77298c14993d77914ddeaa64b2c5109a602b02ea47 android.hardware.biometrics.fingerprint@2.1::IBiometricsFingerprintClientCallback
+1ec60d4efddae9a7b2469278a576967b4751e88de5b8d7e9df6eff6bc0da7bc9 android.hardware.biometrics.fingerprint@2.1::types
+347ce746815607567f5f3b53e4800998ca5ab9355141f0880fc0cf0c1fc5c355 android.hardware.bluetooth@1.0::IBluetoothHci
+835f41be2281bfb22f3e33c6fa870bde7bc21e37e5cfbaf9a36fff170632f754 android.hardware.bluetooth@1.0::IBluetoothHciCallbacks
+a8dfd0dbe463a3cdbcf1d985b38a28b3d93ba2ae5a1d1db4aaef4c38a5781b91 android.hardware.bluetooth@1.0::types
+7192d756aeba00aba32f4504981df8172ffca83e210c4838dabf295e53e93590 android.hardware.boot@1.0::IBootControl
+cebaa803b8e33807a0d69f46652b650ccb549e8f9b19d6becbbf26690e828b49 android.hardware.boot@1.0::types
+a98d49f23712a7cc327d1e0602d05f6f3ad32cfb5c74711d009c726611ee1c93 android.hardware.broadcastradio@1.0::IBroadcastRadio
+ed82579c0c165feaa12d0e33c06b3342ab41ec0a439247f202775e8369e46ef6 android.hardware.broadcastradio@1.0::IBroadcastRadioFactory
+da6ab32ee2793d2c86d3b603075d5383852b89d7eaa201861aa0473d418f3c7f android.hardware.broadcastradio@1.0::ITuner
+04d3ca022e25c308d9efd2e7eb77b3a7a206907cdc1b9ea9326340b377868172 android.hardware.broadcastradio@1.0::ITunerCallback
+bd42c8d7838cfed1998b49c39745dec116d2d6edc2c11a4c0399b8f3a1d1655a android.hardware.broadcastradio@1.0::types
+81164323115d6588e259e8319fddf7487adfa1f49ce60f7e80ba74e0783392a4 android.hardware.camera.common@1.0::types
+c1705e9d62438a1d955269965af915ae28e692bd480a3b1ce67056fef992d62f android.hardware.camera.device@1.0::ICameraDevice
+78e9b44cf8660bdc1e98dca07451804153824efcd28db208a62f5ad728f44076 android.hardware.camera.device@1.0::ICameraDeviceCallback
+28f0386ba86ddf41e53a8117b48a0328d7a4d2574213e89f4a1062398a244566 android.hardware.camera.device@1.0::ICameraDevicePreviewCallback
+4db48439ce9dde97f1cfb3d7408f6c737f621ac0f7494aeea35ed599bc2352a3 android.hardware.camera.device@1.0::types
+b32f9aeaf1c442195eb06ffc7600968c919d005b2718874f09c57287fae55918 android.hardware.camera.device@3.2::ICameraDevice
+63bfc3da0f2d2301f7a0508c7c2b9ffc521d4d545ee03718da70e9d6273b3b21 android.hardware.camera.device@3.2::ICameraDeviceCallback
+0fa3e1e64819283b8737fc4e5ab759f0cb4ac1a996e8a51cc4aa8025a457208e android.hardware.camera.device@3.2::ICameraDeviceSession
+030be3d2b159cbde7920485807140f6b6064ef4a5de4a40a6c4bc8d2c72f7cd3 android.hardware.camera.device@3.2::types
+5ba7947cee515d7a2359bfcbfb9678c1c3a768c288471919ac095b96ae6f3d40 android.hardware.camera.metadata@3.2::types
+f7e299d85033ac52d1095a35784fcfeaff43603f58c751e4153c85bbade3b330 android.hardware.camera.provider@2.4::ICameraProvider
+a501ca1aecd09f1b9fd70a9af84205430dbd49a808e8fa395d363b9902e6f58c android.hardware.camera.provider@2.4::ICameraProviderCallback
+7f5fe8f4f8a24037153c504d8b4d3313c2ce33d81c8c69fe5194ddd2d4080e72 android.hardware.configstore@1.0::ISurfaceFlingerConfigs
+87beacc481897cf02fb1628d75e68133de6d74d4cffe582cda2f5e16bdd74516 android.hardware.configstore@1.0::types
+a5ae0fe8667f0b1af09b13e72d29600f4eb3853b257079c45a99b6f4a3360649 android.hardware.contexthub@1.0::IContexthub
+2ab3054c2d9302d8417ee7495353a2887fe338f913276f2eb41e80f11395ec2e android.hardware.contexthub@1.0::IContexthubCallback
+c3b2b37d561d31ea094411f251bf73bea334f4fe849a4390aef5e20bca6cadba android.hardware.contexthub@1.0::types
+df174c1871c864b4c79ca9f64aae7936d24a272eca3191a30458ca2b706dec79 android.hardware.drm@1.0::ICryptoFactory
+83639e90caeb996b0274e420de3cd556779de1ca48464b68eee799bef32b34cd android.hardware.drm@1.0::ICryptoPlugin
+1440cffdfaeb12830ac10ee6ffdb0f1083e701057b806df11fb4787b4c91e718 android.hardware.drm@1.0::IDrmFactory
+78ba33b108f620e6a0eec01ef654547e69a85754578ea4c9ef03ec205f16121c android.hardware.drm@1.0::IDrmPlugin
+701d9e51952172364e4ea70db9c397f08c3b4577ba33051f050a6cdd532de1b4 android.hardware.drm@1.0::IDrmPluginListener
+4238d62ad90df63aa338c6f1b6264c09c5a3706945d5c49d1189c0be1dc9e942 android.hardware.drm@1.0::types
+f07b1ee3ba11a2fc9f200421b2e1afb7c1854ee987000e45c987fb9507795055 android.hardware.dumpstate@1.0::IDumpstateDevice
+c9d318df7922bde3b265927b521ff5a965002826fc0cabfcaef52a56760f2d34 android.hardware.gatekeeper@1.0::IGatekeeper
+da13bd69282fb275767abb18704c57ff8038e6c139ad17157dc702810f70d06a android.hardware.gatekeeper@1.0::types
+37c7da4f823ec958dfa9c960e2d341c48f877e0bfa758f3fa9e2d9c1e1bd66d9 android.hardware.gnss@1.0::IAGnss
+7ec9afdb964bfb8369866913caf018f2636592885bcb558a65de2c5436ab4f60 android.hardware.gnss@1.0::IAGnssCallback
+d16e6a359be6963ea753d7138e84ecf2b93052097938938c4d36d7a47ea2e2ae android.hardware.gnss@1.0::IAGnssRil
+2f907708d74d94b1e121ed27651c9c72af65952d347b58ff07dac5d5d7a7f678 android.hardware.gnss@1.0::IAGnssRilCallback
+5ac7edad06d76064b882be161f3f9d9692a997ec72e9f36addb7fe8918f49992 android.hardware.gnss@1.0::IGnss
+b05c983c87c3376e145223688c3b541b5e11b827f211e38d5a31af1ca3a2e222 android.hardware.gnss@1.0::IGnssBatching
+4981d2d2c4e725c7544be0956099a91fc7bbc8048c563394158083fe924e651e android.hardware.gnss@1.0::IGnssBatchingCallback
+3cd22d92cc1f935150c5048310e84886f14eed2556e8f00636733d204045cc4f android.hardware.gnss@1.0::IGnssCallback
+175185a5eda87476193ca5461df75dd16d36664591e8130530dd8ef0eb2ddf6a android.hardware.gnss@1.0::IGnssConfiguration
+4542122b96fbf27101cb8222bafb76e7c8d032d977dd1058edd8e5881ca5752f android.hardware.gnss@1.0::IGnssDebug
+e6dd0c8416e523ab9cbd14d56ab6f016481a8aef3bc8a750051122d31075f6c7 android.hardware.gnss@1.0::IGnssGeofenceCallback
+f90e4ddc652706299d8e3d8ba18e0745c3bae9bf4d1be6bd06d9c1f50ec8d28a android.hardware.gnss@1.0::IGnssGeofencing
+9ea8987bb1089c8c5d7b67866575b866ef516045021d9efcc37c6352bce072a3 android.hardware.gnss@1.0::IGnssMeasurement
+cf20492673d6a423e4c2e87fdfb5a4c4a602431721978db852e246f258e25edb android.hardware.gnss@1.0::IGnssMeasurementCallback
+af85aa0f48ae99a39f4688c344e4419304f681f9af818a5c8d759286fc4418de android.hardware.gnss@1.0::IGnssNavigationMessage
+76b0874ea4c06b29f66418c59820f4286b3be9629cd872923d0dfbb602cd432d android.hardware.gnss@1.0::IGnssNavigationMessageCallback
+248bcf51da4273d64f367bf6877baef2feeaca365459842fd3c214a2dc6e0224 android.hardware.gnss@1.0::IGnssNi
+c781b7b125f68be5db8a8c3d412d526acdbdf77dcc592a4c0ed70b8ce4fe6c49 android.hardware.gnss@1.0::IGnssNiCallback
+c1142657de16fdb292a502372fe938614d65270ab8359217d6e13604fe4dbca4 android.hardware.gnss@1.0::IGnssXtra
+bd366b83d8d565d0e8bfabff3adfcab0259d75b4e2a9f8e1b91e11d1593a2ffb android.hardware.gnss@1.0::IGnssXtraCallback
+881bc2f94026784d194cffbff166c6e8bf911de4e02abe96fc7d89ec75b0574a android.hardware.gnss@1.0::types
+17971eb8a482893dadcfc16e0583f492d42a034ef95d9b0b709417af30838396 android.hardware.graphics.allocator@2.0::IAllocator
+60bf42a4898e4fb70dbd720b263aeafd7f35f5e1a5effeabb4d5d659878a5f18 android.hardware.graphics.bufferqueue@1.0::IGraphicBufferProducer
+b8a75617b9ec12bea641f3a73d4025a33e8b9a2f9169dd46094af56adf9249c5 android.hardware.graphics.bufferqueue@1.0::IProducerListener
+4f6dedbcdd21c309dfc650acea81a096d6b242493ffe49c8d61bd3c43aad354e android.hardware.graphics.common@1.0::types
+b3aac6c3817f039964fcd62268274b3039e17bd7d0d5b40b4d1d1c7b19a1f866 android.hardware.graphics.composer@2.1::IComposer
+b19d00eb8a8b3b0034a0321f22e8f32162bf4c2aebbce6da22c025f56e459ea2 android.hardware.graphics.composer@2.1::IComposerCallback
+61ee43ffe6fb6dbe8b22dc17c51ff3d5ba703fc6029cba211f901f3d79c8a72d android.hardware.graphics.composer@2.1::IComposerClient
+1c98c2f5154345312ec054871792a2982ec5f3e2bc2abfb61a10c0b517978e20 android.hardware.graphics.composer@2.1::types
+a695898589e1ef15b2b2510f11edd6aafac9918d9cf8d74b4b6143b309dee542 android.hardware.graphics.mapper@2.0::IMapper
+28507d385a3dd224bf3c32f1bfd9f96092c4701b9c1cc66caa578fc3efc97877 android.hardware.graphics.mapper@2.0::types
+91e2ba3805c923f01fc1231ec9ff838942aee3346f2d7614ecc0caeadbe57ed4 android.hardware.health@1.0::IHealth
+1275aa2e8732909101b26aec49ed2285489e89d97b8610a8908b7868e35a3cc5 android.hardware.health@1.0::types
+3a8d3922e06e6d4f8e0befc6be78d0e9e07aed1585b3da6521bed406d25a9483 android.hardware.ir@1.0::IConsumerIr
+7090bd37912fcf723a12f4bc17783e3527577c4944805a028c296fd7a95bd682 android.hardware.ir@1.0::types
+cc7925a78c0ab022515f48840d3dae76f384ed3a1287abadcb461a5cd5396163 android.hardware.keymaster@3.0::IKeymasterDevice
+822998d7bb76f0cd719a409291434fcb56e6d50bc4780788bb157a3374d63b8c android.hardware.keymaster@3.0::types
+d4ed2f0e14f9e914d0b1275d2e0363192fe30aca9059c84edb5fad15995f9ec4 android.hardware.light@2.0::ILight
+d9584bfcaedd6e62cf337881748246b23e36cbc2bc3aa84c01b6a1e622061400 android.hardware.light@2.0::types
+16c0cf0f73de1e5208a95020c6c6474903e7094f76b2d782651afaca0e5fd86f android.hardware.media@1.0::types
+8bc2f5fdcad68856eb61a62fe4cc043fa064bb7f1dab95a71d1918ec1eef7b55 android.hardware.media.omx@1.0::IGraphicBufferSource
+0d3de9cd89d4718ea3b772f2d8b93be004feb3abb7e7dc5402e37047cc730d05 android.hardware.media.omx@1.0::IOmx
+32002e1c358c64de106c977a6dc6af7da27be4803a5bb66fd6f891a5ba0a1617 android.hardware.media.omx@1.0::IOmxBufferSource
+81ad8d8bb1cf6f41923cf11dd39354a8fe433db284a234cc675de7e75a82224c android.hardware.media.omx@1.0::IOmxNode
+494c0c8bf6065edc82ec127228ed19dd2243dc1c2f7d601c7c6be7b7015c1713 android.hardware.media.omx@1.0::IOmxObserver
+252c2fc50c78fd6de8365e5b60e5115119ace107db0b94b0b26815cbf3d2b64a android.hardware.media.omx@1.0::IOmxStore
+148c1b50b0958988373145ffdf5fa0e1b6534e0a2034a570e74b15c127cf7c5e android.hardware.media.omx@1.0::types
+c66902fe48d687ac6740a3e32ae55fb75532c48c36c6386461c2b4416ad2e0f1 android.hardware.memtrack@1.0::IMemtrack
+860bacd8b11a269c40567542b613fe4ca448d5cb4326d0058899e608e89dfca1 android.hardware.memtrack@1.0::types
+07ac2dc95270321ec7d4c33cd25e5085a057f47fe350d645af6f7a7a11e3cf57 android.hardware.nfc@1.0::INfc
+f2fe54426c07d67388d4774a60641ad4c0538f22eb6e1111722f231772655de6 android.hardware.nfc@1.0::INfcClientCallback
+9626fd18db113d709faf593a70caf19bd0980294d23c468c80c30186f9d298a6 android.hardware.nfc@1.0::types
+deee1dc4948f33af207e1008aba0f6cc07afb7900eab53f33192c8cac137eefc android.hardware.power@1.0::IPower
+efc83df3f962b93c7c0290d691d7d300dabe12683e2cde3591fb3c0beedce20f android.hardware.power@1.0::types
+9b5aa499ec3b4226f15f48f5ed08896e2fc0676f978c9e199c1da21daaf002a6 android.hardware.radio@1.0::IRadio
+5c8efbb9c451a59737ed2c6c20230aae4745839ca01d8088d6dcc9020e52d2c5 android.hardware.radio@1.0::IRadioIndication
+69f6b4b8ec40ca02ccc7bb8227a097135c20c00bd94c822e421cd9af1267252c android.hardware.radio@1.0::IRadioResponse
+de3ab9f73b1073cd677b19d886fb927e9381b30161a704712d2b30f875873f5c android.hardware.radio@1.0::ISap
+d183e406ef0897df2117a9dde384e8e6ea4fa6ab1c7f6f28e65b87011218c9ea android.hardware.radio@1.0::ISapCallback
+96986fbd22f0e6ca752e1fcdc0a64bda213995a81f5f36bc4faf3532d9306b97 android.hardware.radio@1.0::types
+00f70085d6fae1d482fb700a3fd42ed475384c95b51c9269b9ae5037b74ad4dd android.hardware.radio.deprecated@1.0::IOemHook
+06837b6d7e843cfa9cd20fed4070feca7a9b5c81a9ed643bf7d06803455a9816 android.hardware.radio.deprecated@1.0::IOemHookIndication
+6fd4874f0eddd4626a27658fd94fad526c317f3563439e79718bdb1a3a2309d5 android.hardware.radio.deprecated@1.0::IOemHookResponse
+6983a2cafe39d5c57dfdc1743055fb0f757a0df8c78e00423d5e1810836927e1 android.hardware.renderscript@1.0::IContext
+7f9417a0ccf78ea042ec7a8ac8e3750346d4d9d7e5ae01b1b35fde303f47c24d android.hardware.renderscript@1.0::IDevice
+fc6f325b266b32353f7d1534fbe58e0d368265a12b77fa396fb556e8c443f739 android.hardware.renderscript@1.0::types
+89585ff541c319de4091a5a0b687dd526ac81c6382ffd7b979a4164b3d7419a6 android.hardware.sensors@1.0::ISensors
+e04ab978fc28f4c515f4a75617dfda8607733a64f13666beeb0e604a07a39333 android.hardware.sensors@1.0::types
+5befc019cbe94953661e2cdb95e3cf64f5e565c29403e1c2daecc2be44e0a55c android.hardware.soundtrigger@2.0::ISoundTriggerHw
+d7ec5f612a5e0a59ea4f2b61317e208ff56dd50920fd4eb441e0cbc8f97e4f49 android.hardware.soundtrigger@2.0::ISoundTriggerHwCallback
+5bee9e70f7e5ec7ee252883b28f98f12b59960f4c2a0b4cc9a4526e4669ebcd4 android.hardware.soundtrigger@2.0::types
+97f1ec446043bc5a6645b74529a6276496bdb35e0aee41eda55cb92d51eb7802 android.hardware.thermal@1.0::IThermal
+84965a6908bceb4ef51546bf8731f309f1ea9d09a0177dcc7974132e523dd6d2 android.hardware.thermal@1.0::types
+938850621c3c5ef426a4b88e752ba99b3559037e782a3d938604f3aef5cc0f1b android.hardware.tv.cec@1.0::IHdmiCec
+e75b6eea711d36fac678bce072b3cec6544b27fa9f4cd903999404e5c110ca10 android.hardware.tv.cec@1.0::IHdmiCecCallback
+6e25f8dbfadb668e1d4ec80eb9acd95d8bc9e0a240c36d27e662adb440314b95 android.hardware.tv.cec@1.0::types
+0cafa3c8388e9631916d2d800f78decbcec2904f11415b32c71a31d9a51ebf79 android.hardware.tv.input@1.0::ITvInput
+dee83e5c864fbbee8f02448d0800be32f06856386b9f907bc5d952208c9434f9 android.hardware.tv.input@1.0::ITvInputCallback
+07aab30410b612381234dca6d453d4ab96f2e536368715717c6e28101b9851b5 android.hardware.tv.input@1.0::types
+4ef57499273f38bdbdd0c15e56ee7a4bc5f18a5644092170a531df3541d9e015 android.hardware.usb@1.0::IUsb
+4be7881e411ba42784bf5b7354c14ae0cf161004d39433aaecaab0d19ea99354 android.hardware.usb@1.0::IUsbCallback
+f7e6e747910a3cd0a35846141e3b990a6a612a297b2b70ccd5740b646a450a8c android.hardware.usb@1.0::types
+06ea64cc3565777f3b259e400ffa7100d07f3827ad9357b0c5d3c651384e5553 android.hardware.vibrator@1.0::IVibrator
+0fecd34ae64f32eff6aa615fd662349242c0b8b6e303ef05a7cb5776c732f413 android.hardware.vibrator@1.0::types
+4b962968a7df4ab104d1315d66a0a7348a713fecbb5d2c1b23688494458f37ce android.hardware.vr@1.0::IVr
+b9be36719a8ad534000a51ea07be91be94c405bf1e038ae825acf65087ffd378 android.hardware.wifi@1.0::IWifi
+ee0224ee18813506d9d6f13d8c8e4679f053c290a443a52a7c52a5d3c852262b android.hardware.wifi@1.0::IWifiApIface
+f3eecc489deb4c74892f59eb7adb769063bd5c354ac132b626a5f42b363d36bc android.hardware.wifi@1.0::IWifiChip
+a1b988377645a58e5e2542ca2bad4e17c21a4a389213d05de2f0e32d57b7d339 android.hardware.wifi@1.0::IWifiChipEventCallback
+5ed6760ce77e84bc6c49d1acb3f7d8117c9176b3f06514bc44ad3af84c80dcfe android.hardware.wifi@1.0::IWifiEventCallback
+6b9ad43a5efbe6ca214f751e22ce43cf5cd4d5d5f2cba80f24ccd3755a72401c android.hardware.wifi@1.0::IWifiIface
+ba5aa74f1ba714f0093864227923492808795bda6199c4ea0891322d27f8c931 android.hardware.wifi@1.0::IWifiNanIface
+325c94f3e1a565b56bbc74faddbd0ba7cb824f263dccf9dfff2daf62b86ed774 android.hardware.wifi@1.0::IWifiNanIfaceEventCallback
+c2c3f0372b41780fb6dfe83c022296806c2024d7046682fd201de5aa9b791c7a android.hardware.wifi@1.0::IWifiP2pIface
+766e9765f5c9c759b2a763c2288353fb5deff3389c2cc28f81d79c939704ce8b android.hardware.wifi@1.0::IWifiRttController
+72ab6f3e120cbf07aa6f8e87ca89112bdeb36b7fbb96bce5af3712323ab8b8e6 android.hardware.wifi@1.0::IWifiRttControllerEventCallback
+3b8093d39ef1e10e43c5538afbf5ff6e39b8d8168ebbe1998d993e89e25f14a5 android.hardware.wifi@1.0::IWifiStaIface
+7fbfc551c3e23c8b4398c3e16e452b516457e6921424a53474cbf373ca306fa9 android.hardware.wifi@1.0::IWifiStaIfaceEventCallback
+e20d5132d6d23e072c15de065b5e2aa13ff965031246a2c82581732bae56bf6d android.hardware.wifi@1.0::types
+f7e55c08187d8c855068a1ee3d0c8daeee7570292d96509c21a8756d4f5cfb9b android.hardware.wifi.supplicant@1.0::ISupplicant
+56b5c7267cb3d3337f44eb8b0b38ff4c6260dcc70e07687fcab94b1ccea8d159 android.hardware.wifi.supplicant@1.0::ISupplicantCallback
+35ba7bcdf18f24a866a7e5429548f06768bb20a257f75b10a397c4d825ef8438 android.hardware.wifi.supplicant@1.0::ISupplicantIface
+cda01008c06922fa37c1213e9bb831a109b3174532805616fb7161edc403866f android.hardware.wifi.supplicant@1.0::ISupplicantNetwork
+4907410338c5e8dbeec4b5edc2608ea323f5561945f8810af81810c47b019184 android.hardware.wifi.supplicant@1.0::ISupplicantP2pIface
+8b63f5efa2e3be3a7cb8a428760d82285a4ab79bcbdea6ef90aa547555e582d4 android.hardware.wifi.supplicant@1.0::ISupplicantP2pIfaceCallback
+56128f74560571b6777d59453f35c6b35693ee377e2a23c807708906928f09de android.hardware.wifi.supplicant@1.0::ISupplicantP2pNetwork
+2067c22197bca9743dab66a6f561a8a8375c67b4f76aed05f776839499bd4c8f android.hardware.wifi.supplicant@1.0::ISupplicantP2pNetworkCallback
+7752e1de93aaf5fed37011c219ac247069f6af320b0810daa98510584a10e7b4 android.hardware.wifi.supplicant@1.0::ISupplicantStaIface
+d781c8d7e7b3fe5cca8cf6e1d8806e770982ae5358c7816ed51b0f0ec272e70d android.hardware.wifi.supplicant@1.0::ISupplicantStaIfaceCallback
+b12ef0bdd8a4d247a8a6e960b227ed32383f2b0241f55d67fcea6eff6a6737fa android.hardware.wifi.supplicant@1.0::ISupplicantStaNetwork
+d8f0877ae1d321c1d884c7631dfe36cab0ec8a4b2863d4b687f85d3549a63bcc android.hardware.wifi.supplicant@1.0::ISupplicantStaNetworkCallback
+fe3c3c2f572b72f15f8594c538b0577bd5c28722c31879cfe6231330cddb6747 android.hardware.wifi.supplicant@1.0::types
+
+# ABI preserving changes to HALs released in Android O
+
+78589343d8ee2e1b155acad3fbdc7fcbb6af94491aee968b2383c21627264f8b android.hardware.radio@1.0::IRadioResponse
+c2c50ec74c87a583c683b4493f8f9f2e454a8d41c57af5b3eb88823a999f0ea4 android.hardware.radio@1.0::IRadioResponse
diff --git a/prebuilt_hashes/27.txt b/prebuilt_hashes/27.txt
new file mode 100644
index 0000000..23f2004
--- /dev/null
+++ b/prebuilt_hashes/27.txt
@@ -0,0 +1,249 @@
+# Do not change this file except to add new interfaces. Changing
+# pre-existing interfaces will fail VTS and break framework-only OTAs
+
+# HALs released in Android O
+
+f219c3b5b8c6cb1d659d4c7328f67246abfe1a8613f469826fd3b9ad090417a2 android.hardware.audio@2.0::IDevice
+4d579cae1cd87a783fd49233e10ce720ba183cfd1d5ccd80149e69de5c1c7362 android.hardware.audio@2.0::IDevicesFactory
+203e23f18011390b8cd10c303e0c16c4eebc8fa187e80e40d6be4624c2b0848a android.hardware.audio@2.0::IPrimaryDevice
+aaf93123deec336eb247ad8099849469a541ca0cf7c28c5f5336cebe1ee86748 android.hardware.audio@2.0::IStream
+0468c5723b0d44c5b451bdfa06153000c6f352fd3336e0ad2697127b04b766df android.hardware.audio@2.0::IStreamIn
+7296f7064fd3ab24082b43a1da34cc876268065310b785499fba5178d063680a android.hardware.audio@2.0::IStreamOut
+19d241d71c3e1140afba8140dcb57448446025a5fc03739788c4c25e9a98b6c2 android.hardware.audio@2.0::IStreamOutCallback
+c84da9f586087227daa3b96d42b4575326bccfd5bc8a2a5acf86d774f8ea2648 android.hardware.audio@2.0::types
+1305786c06e22b9b24ebde136054cc827b63c86d8bf4a136d6f7f54752b8566b android.hardware.audio.common@2.0::types
+fa8fbae3d1da3c264e4f3110728076abc09b4e65f12af6ae136367328de988ab android.hardware.audio.effect@2.0::IAcousticEchoCancelerEffect
+ca4752545d54547ff069eae161af7550cb5f5a7e8b60316ddd132a30906a68e7 android.hardware.audio.effect@2.0::IAutomaticGainControlEffect
+d2b8af988dc66f514d886bcee44b440d8034bc2a762f7161717ef3c956073067 android.hardware.audio.effect@2.0::IBassBoostEffect
+611bc09c75e796f3512b1ca6be508b0a9ba996759b8a2c60507784ff58076229 android.hardware.audio.effect@2.0::IDownmixEffect
+36a57369dfdc75180e8b64ae80b1970db8f6d9085dbff6ca931715038cc056e1 android.hardware.audio.effect@2.0::IEffect
+d2aa2df6d189c580f5be8460fa0ff4134d9c05a383f3204659baee426a6f0edf android.hardware.audio.effect@2.0::IEffectBufferProviderCallback
+217f9161983a48d3bf3faeb158f868aa8bf0ce25889e4ee3d2bab1a2e8d33e77 android.hardware.audio.effect@2.0::IEffectsFactory
+c2b38bc07991e880c83ca8cb88181411eeef708b8b936aedd2f2e0acade7df69 android.hardware.audio.effect@2.0::IEnvironmentalReverbEffect
+2ff9f9704be5f167745b4de790e9dafc3cc4719e2f6e2e5497085e679853cfe7 android.hardware.audio.effect@2.0::IEqualizerEffect
+c31447fb02dbc8b56c359941dad22f416511860173c5c5fd278d1bf2312b13de android.hardware.audio.effect@2.0::ILoudnessEnhancerEffect
+804831ca258802eb3eb65a0a7b5d5e3d37d4a15ba8c2836b4276eda98b47e1d0 android.hardware.audio.effect@2.0::INoiseSuppressionEffect
+778fd5b9837f481d8e47425b3e2a3bd0c6362a0b6870291518e2d863530fdb61 android.hardware.audio.effect@2.0::IPresetReverbEffect
+c93cb25a1a92d07aa80a617c01e8d22fc97bf8cefd3962b6a5be386ad4704d89 android.hardware.audio.effect@2.0::IVirtualizerEffect
+918f331780c9c7b04f2151a2e563aab088198ede8e6f865302ebaa13905bd9ce android.hardware.audio.effect@2.0::IVisualizerEffect
+4caad099f8fc00262b6c03ba41271808b37cea90ac98b534299bbf4ee823af02 android.hardware.audio.effect@2.0::types
+# android.hardware.automotive.* are unfrozen
+1fbdc1f852f8bd2e4a6c5cb30ac2b78668c98dce118a61762d4034ae859f43d8 android.hardware.biometrics.fingerprint@2.1::IBiometricsFingerprint
+aabb5c3c585592d71ee57b77298c14993d77914ddeaa64b2c5109a602b02ea47 android.hardware.biometrics.fingerprint@2.1::IBiometricsFingerprintClientCallback
+1ec60d4efddae9a7b2469278a576967b4751e88de5b8d7e9df6eff6bc0da7bc9 android.hardware.biometrics.fingerprint@2.1::types
+347ce746815607567f5f3b53e4800998ca5ab9355141f0880fc0cf0c1fc5c355 android.hardware.bluetooth@1.0::IBluetoothHci
+835f41be2281bfb22f3e33c6fa870bde7bc21e37e5cfbaf9a36fff170632f754 android.hardware.bluetooth@1.0::IBluetoothHciCallbacks
+a8dfd0dbe463a3cdbcf1d985b38a28b3d93ba2ae5a1d1db4aaef4c38a5781b91 android.hardware.bluetooth@1.0::types
+7192d756aeba00aba32f4504981df8172ffca83e210c4838dabf295e53e93590 android.hardware.boot@1.0::IBootControl
+cebaa803b8e33807a0d69f46652b650ccb549e8f9b19d6becbbf26690e828b49 android.hardware.boot@1.0::types
+a98d49f23712a7cc327d1e0602d05f6f3ad32cfb5c74711d009c726611ee1c93 android.hardware.broadcastradio@1.0::IBroadcastRadio
+ed82579c0c165feaa12d0e33c06b3342ab41ec0a439247f202775e8369e46ef6 android.hardware.broadcastradio@1.0::IBroadcastRadioFactory
+da6ab32ee2793d2c86d3b603075d5383852b89d7eaa201861aa0473d418f3c7f android.hardware.broadcastradio@1.0::ITuner
+04d3ca022e25c308d9efd2e7eb77b3a7a206907cdc1b9ea9326340b377868172 android.hardware.broadcastradio@1.0::ITunerCallback
+bd42c8d7838cfed1998b49c39745dec116d2d6edc2c11a4c0399b8f3a1d1655a android.hardware.broadcastradio@1.0::types
+81164323115d6588e259e8319fddf7487adfa1f49ce60f7e80ba74e0783392a4 android.hardware.camera.common@1.0::types
+c1705e9d62438a1d955269965af915ae28e692bd480a3b1ce67056fef992d62f android.hardware.camera.device@1.0::ICameraDevice
+78e9b44cf8660bdc1e98dca07451804153824efcd28db208a62f5ad728f44076 android.hardware.camera.device@1.0::ICameraDeviceCallback
+28f0386ba86ddf41e53a8117b48a0328d7a4d2574213e89f4a1062398a244566 android.hardware.camera.device@1.0::ICameraDevicePreviewCallback
+4db48439ce9dde97f1cfb3d7408f6c737f621ac0f7494aeea35ed599bc2352a3 android.hardware.camera.device@1.0::types
+b32f9aeaf1c442195eb06ffc7600968c919d005b2718874f09c57287fae55918 android.hardware.camera.device@3.2::ICameraDevice
+63bfc3da0f2d2301f7a0508c7c2b9ffc521d4d545ee03718da70e9d6273b3b21 android.hardware.camera.device@3.2::ICameraDeviceCallback
+0fa3e1e64819283b8737fc4e5ab759f0cb4ac1a996e8a51cc4aa8025a457208e android.hardware.camera.device@3.2::ICameraDeviceSession
+030be3d2b159cbde7920485807140f6b6064ef4a5de4a40a6c4bc8d2c72f7cd3 android.hardware.camera.device@3.2::types
+5ba7947cee515d7a2359bfcbfb9678c1c3a768c288471919ac095b96ae6f3d40 android.hardware.camera.metadata@3.2::types
+f7e299d85033ac52d1095a35784fcfeaff43603f58c751e4153c85bbade3b330 android.hardware.camera.provider@2.4::ICameraProvider
+a501ca1aecd09f1b9fd70a9af84205430dbd49a808e8fa395d363b9902e6f58c android.hardware.camera.provider@2.4::ICameraProviderCallback
+7f5fe8f4f8a24037153c504d8b4d3313c2ce33d81c8c69fe5194ddd2d4080e72 android.hardware.configstore@1.0::ISurfaceFlingerConfigs
+87beacc481897cf02fb1628d75e68133de6d74d4cffe582cda2f5e16bdd74516 android.hardware.configstore@1.0::types
+a5ae0fe8667f0b1af09b13e72d29600f4eb3853b257079c45a99b6f4a3360649 android.hardware.contexthub@1.0::IContexthub
+2ab3054c2d9302d8417ee7495353a2887fe338f913276f2eb41e80f11395ec2e android.hardware.contexthub@1.0::IContexthubCallback
+c3b2b37d561d31ea094411f251bf73bea334f4fe849a4390aef5e20bca6cadba android.hardware.contexthub@1.0::types
+df174c1871c864b4c79ca9f64aae7936d24a272eca3191a30458ca2b706dec79 android.hardware.drm@1.0::ICryptoFactory
+83639e90caeb996b0274e420de3cd556779de1ca48464b68eee799bef32b34cd android.hardware.drm@1.0::ICryptoPlugin
+1440cffdfaeb12830ac10ee6ffdb0f1083e701057b806df11fb4787b4c91e718 android.hardware.drm@1.0::IDrmFactory
+78ba33b108f620e6a0eec01ef654547e69a85754578ea4c9ef03ec205f16121c android.hardware.drm@1.0::IDrmPlugin
+701d9e51952172364e4ea70db9c397f08c3b4577ba33051f050a6cdd532de1b4 android.hardware.drm@1.0::IDrmPluginListener
+4238d62ad90df63aa338c6f1b6264c09c5a3706945d5c49d1189c0be1dc9e942 android.hardware.drm@1.0::types
+f07b1ee3ba11a2fc9f200421b2e1afb7c1854ee987000e45c987fb9507795055 android.hardware.dumpstate@1.0::IDumpstateDevice
+c9d318df7922bde3b265927b521ff5a965002826fc0cabfcaef52a56760f2d34 android.hardware.gatekeeper@1.0::IGatekeeper
+da13bd69282fb275767abb18704c57ff8038e6c139ad17157dc702810f70d06a android.hardware.gatekeeper@1.0::types
+37c7da4f823ec958dfa9c960e2d341c48f877e0bfa758f3fa9e2d9c1e1bd66d9 android.hardware.gnss@1.0::IAGnss
+7ec9afdb964bfb8369866913caf018f2636592885bcb558a65de2c5436ab4f60 android.hardware.gnss@1.0::IAGnssCallback
+d16e6a359be6963ea753d7138e84ecf2b93052097938938c4d36d7a47ea2e2ae android.hardware.gnss@1.0::IAGnssRil
+2f907708d74d94b1e121ed27651c9c72af65952d347b58ff07dac5d5d7a7f678 android.hardware.gnss@1.0::IAGnssRilCallback
+5ac7edad06d76064b882be161f3f9d9692a997ec72e9f36addb7fe8918f49992 android.hardware.gnss@1.0::IGnss
+b05c983c87c3376e145223688c3b541b5e11b827f211e38d5a31af1ca3a2e222 android.hardware.gnss@1.0::IGnssBatching
+4981d2d2c4e725c7544be0956099a91fc7bbc8048c563394158083fe924e651e android.hardware.gnss@1.0::IGnssBatchingCallback
+3cd22d92cc1f935150c5048310e84886f14eed2556e8f00636733d204045cc4f android.hardware.gnss@1.0::IGnssCallback
+175185a5eda87476193ca5461df75dd16d36664591e8130530dd8ef0eb2ddf6a android.hardware.gnss@1.0::IGnssConfiguration
+4542122b96fbf27101cb8222bafb76e7c8d032d977dd1058edd8e5881ca5752f android.hardware.gnss@1.0::IGnssDebug
+e6dd0c8416e523ab9cbd14d56ab6f016481a8aef3bc8a750051122d31075f6c7 android.hardware.gnss@1.0::IGnssGeofenceCallback
+f90e4ddc652706299d8e3d8ba18e0745c3bae9bf4d1be6bd06d9c1f50ec8d28a android.hardware.gnss@1.0::IGnssGeofencing
+9ea8987bb1089c8c5d7b67866575b866ef516045021d9efcc37c6352bce072a3 android.hardware.gnss@1.0::IGnssMeasurement
+cf20492673d6a423e4c2e87fdfb5a4c4a602431721978db852e246f258e25edb android.hardware.gnss@1.0::IGnssMeasurementCallback
+af85aa0f48ae99a39f4688c344e4419304f681f9af818a5c8d759286fc4418de android.hardware.gnss@1.0::IGnssNavigationMessage
+76b0874ea4c06b29f66418c59820f4286b3be9629cd872923d0dfbb602cd432d android.hardware.gnss@1.0::IGnssNavigationMessageCallback
+248bcf51da4273d64f367bf6877baef2feeaca365459842fd3c214a2dc6e0224 android.hardware.gnss@1.0::IGnssNi
+c781b7b125f68be5db8a8c3d412d526acdbdf77dcc592a4c0ed70b8ce4fe6c49 android.hardware.gnss@1.0::IGnssNiCallback
+c1142657de16fdb292a502372fe938614d65270ab8359217d6e13604fe4dbca4 android.hardware.gnss@1.0::IGnssXtra
+bd366b83d8d565d0e8bfabff3adfcab0259d75b4e2a9f8e1b91e11d1593a2ffb android.hardware.gnss@1.0::IGnssXtraCallback
+881bc2f94026784d194cffbff166c6e8bf911de4e02abe96fc7d89ec75b0574a android.hardware.gnss@1.0::types
+17971eb8a482893dadcfc16e0583f492d42a034ef95d9b0b709417af30838396 android.hardware.graphics.allocator@2.0::IAllocator
+60bf42a4898e4fb70dbd720b263aeafd7f35f5e1a5effeabb4d5d659878a5f18 android.hardware.graphics.bufferqueue@1.0::IGraphicBufferProducer
+b8a75617b9ec12bea641f3a73d4025a33e8b9a2f9169dd46094af56adf9249c5 android.hardware.graphics.bufferqueue@1.0::IProducerListener
+4f6dedbcdd21c309dfc650acea81a096d6b242493ffe49c8d61bd3c43aad354e android.hardware.graphics.common@1.0::types
+b3aac6c3817f039964fcd62268274b3039e17bd7d0d5b40b4d1d1c7b19a1f866 android.hardware.graphics.composer@2.1::IComposer
+b19d00eb8a8b3b0034a0321f22e8f32162bf4c2aebbce6da22c025f56e459ea2 android.hardware.graphics.composer@2.1::IComposerCallback
+61ee43ffe6fb6dbe8b22dc17c51ff3d5ba703fc6029cba211f901f3d79c8a72d android.hardware.graphics.composer@2.1::IComposerClient
+1c98c2f5154345312ec054871792a2982ec5f3e2bc2abfb61a10c0b517978e20 android.hardware.graphics.composer@2.1::types
+a695898589e1ef15b2b2510f11edd6aafac9918d9cf8d74b4b6143b309dee542 android.hardware.graphics.mapper@2.0::IMapper
+28507d385a3dd224bf3c32f1bfd9f96092c4701b9c1cc66caa578fc3efc97877 android.hardware.graphics.mapper@2.0::types
+91e2ba3805c923f01fc1231ec9ff838942aee3346f2d7614ecc0caeadbe57ed4 android.hardware.health@1.0::IHealth
+1275aa2e8732909101b26aec49ed2285489e89d97b8610a8908b7868e35a3cc5 android.hardware.health@1.0::types
+3a8d3922e06e6d4f8e0befc6be78d0e9e07aed1585b3da6521bed406d25a9483 android.hardware.ir@1.0::IConsumerIr
+7090bd37912fcf723a12f4bc17783e3527577c4944805a028c296fd7a95bd682 android.hardware.ir@1.0::types
+cc7925a78c0ab022515f48840d3dae76f384ed3a1287abadcb461a5cd5396163 android.hardware.keymaster@3.0::IKeymasterDevice
+822998d7bb76f0cd719a409291434fcb56e6d50bc4780788bb157a3374d63b8c android.hardware.keymaster@3.0::types
+d4ed2f0e14f9e914d0b1275d2e0363192fe30aca9059c84edb5fad15995f9ec4 android.hardware.light@2.0::ILight
+d9584bfcaedd6e62cf337881748246b23e36cbc2bc3aa84c01b6a1e622061400 android.hardware.light@2.0::types
+16c0cf0f73de1e5208a95020c6c6474903e7094f76b2d782651afaca0e5fd86f android.hardware.media@1.0::types
+8bc2f5fdcad68856eb61a62fe4cc043fa064bb7f1dab95a71d1918ec1eef7b55 android.hardware.media.omx@1.0::IGraphicBufferSource
+0d3de9cd89d4718ea3b772f2d8b93be004feb3abb7e7dc5402e37047cc730d05 android.hardware.media.omx@1.0::IOmx
+32002e1c358c64de106c977a6dc6af7da27be4803a5bb66fd6f891a5ba0a1617 android.hardware.media.omx@1.0::IOmxBufferSource
+81ad8d8bb1cf6f41923cf11dd39354a8fe433db284a234cc675de7e75a82224c android.hardware.media.omx@1.0::IOmxNode
+494c0c8bf6065edc82ec127228ed19dd2243dc1c2f7d601c7c6be7b7015c1713 android.hardware.media.omx@1.0::IOmxObserver
+252c2fc50c78fd6de8365e5b60e5115119ace107db0b94b0b26815cbf3d2b64a android.hardware.media.omx@1.0::IOmxStore
+148c1b50b0958988373145ffdf5fa0e1b6534e0a2034a570e74b15c127cf7c5e android.hardware.media.omx@1.0::types
+c66902fe48d687ac6740a3e32ae55fb75532c48c36c6386461c2b4416ad2e0f1 android.hardware.memtrack@1.0::IMemtrack
+860bacd8b11a269c40567542b613fe4ca448d5cb4326d0058899e608e89dfca1 android.hardware.memtrack@1.0::types
+07ac2dc95270321ec7d4c33cd25e5085a057f47fe350d645af6f7a7a11e3cf57 android.hardware.nfc@1.0::INfc
+f2fe54426c07d67388d4774a60641ad4c0538f22eb6e1111722f231772655de6 android.hardware.nfc@1.0::INfcClientCallback
+9626fd18db113d709faf593a70caf19bd0980294d23c468c80c30186f9d298a6 android.hardware.nfc@1.0::types
+deee1dc4948f33af207e1008aba0f6cc07afb7900eab53f33192c8cac137eefc android.hardware.power@1.0::IPower
+efc83df3f962b93c7c0290d691d7d300dabe12683e2cde3591fb3c0beedce20f android.hardware.power@1.0::types
+9b5aa499ec3b4226f15f48f5ed08896e2fc0676f978c9e199c1da21daaf002a6 android.hardware.radio@1.0::IRadio
+5c8efbb9c451a59737ed2c6c20230aae4745839ca01d8088d6dcc9020e52d2c5 android.hardware.radio@1.0::IRadioIndication
+69f6b4b8ec40ca02ccc7bb8227a097135c20c00bd94c822e421cd9af1267252c android.hardware.radio@1.0::IRadioResponse
+de3ab9f73b1073cd677b19d886fb927e9381b30161a704712d2b30f875873f5c android.hardware.radio@1.0::ISap
+d183e406ef0897df2117a9dde384e8e6ea4fa6ab1c7f6f28e65b87011218c9ea android.hardware.radio@1.0::ISapCallback
+96986fbd22f0e6ca752e1fcdc0a64bda213995a81f5f36bc4faf3532d9306b97 android.hardware.radio@1.0::types
+00f70085d6fae1d482fb700a3fd42ed475384c95b51c9269b9ae5037b74ad4dd android.hardware.radio.deprecated@1.0::IOemHook
+06837b6d7e843cfa9cd20fed4070feca7a9b5c81a9ed643bf7d06803455a9816 android.hardware.radio.deprecated@1.0::IOemHookIndication
+6fd4874f0eddd4626a27658fd94fad526c317f3563439e79718bdb1a3a2309d5 android.hardware.radio.deprecated@1.0::IOemHookResponse
+6983a2cafe39d5c57dfdc1743055fb0f757a0df8c78e00423d5e1810836927e1 android.hardware.renderscript@1.0::IContext
+7f9417a0ccf78ea042ec7a8ac8e3750346d4d9d7e5ae01b1b35fde303f47c24d android.hardware.renderscript@1.0::IDevice
+fc6f325b266b32353f7d1534fbe58e0d368265a12b77fa396fb556e8c443f739 android.hardware.renderscript@1.0::types
+89585ff541c319de4091a5a0b687dd526ac81c6382ffd7b979a4164b3d7419a6 android.hardware.sensors@1.0::ISensors
+e04ab978fc28f4c515f4a75617dfda8607733a64f13666beeb0e604a07a39333 android.hardware.sensors@1.0::types
+5befc019cbe94953661e2cdb95e3cf64f5e565c29403e1c2daecc2be44e0a55c android.hardware.soundtrigger@2.0::ISoundTriggerHw
+d7ec5f612a5e0a59ea4f2b61317e208ff56dd50920fd4eb441e0cbc8f97e4f49 android.hardware.soundtrigger@2.0::ISoundTriggerHwCallback
+5bee9e70f7e5ec7ee252883b28f98f12b59960f4c2a0b4cc9a4526e4669ebcd4 android.hardware.soundtrigger@2.0::types
+97f1ec446043bc5a6645b74529a6276496bdb35e0aee41eda55cb92d51eb7802 android.hardware.thermal@1.0::IThermal
+84965a6908bceb4ef51546bf8731f309f1ea9d09a0177dcc7974132e523dd6d2 android.hardware.thermal@1.0::types
+938850621c3c5ef426a4b88e752ba99b3559037e782a3d938604f3aef5cc0f1b android.hardware.tv.cec@1.0::IHdmiCec
+e75b6eea711d36fac678bce072b3cec6544b27fa9f4cd903999404e5c110ca10 android.hardware.tv.cec@1.0::IHdmiCecCallback
+6e25f8dbfadb668e1d4ec80eb9acd95d8bc9e0a240c36d27e662adb440314b95 android.hardware.tv.cec@1.0::types
+0cafa3c8388e9631916d2d800f78decbcec2904f11415b32c71a31d9a51ebf79 android.hardware.tv.input@1.0::ITvInput
+dee83e5c864fbbee8f02448d0800be32f06856386b9f907bc5d952208c9434f9 android.hardware.tv.input@1.0::ITvInputCallback
+07aab30410b612381234dca6d453d4ab96f2e536368715717c6e28101b9851b5 android.hardware.tv.input@1.0::types
+4ef57499273f38bdbdd0c15e56ee7a4bc5f18a5644092170a531df3541d9e015 android.hardware.usb@1.0::IUsb
+4be7881e411ba42784bf5b7354c14ae0cf161004d39433aaecaab0d19ea99354 android.hardware.usb@1.0::IUsbCallback
+f7e6e747910a3cd0a35846141e3b990a6a612a297b2b70ccd5740b646a450a8c android.hardware.usb@1.0::types
+06ea64cc3565777f3b259e400ffa7100d07f3827ad9357b0c5d3c651384e5553 android.hardware.vibrator@1.0::IVibrator
+0fecd34ae64f32eff6aa615fd662349242c0b8b6e303ef05a7cb5776c732f413 android.hardware.vibrator@1.0::types
+4b962968a7df4ab104d1315d66a0a7348a713fecbb5d2c1b23688494458f37ce android.hardware.vr@1.0::IVr
+b9be36719a8ad534000a51ea07be91be94c405bf1e038ae825acf65087ffd378 android.hardware.wifi@1.0::IWifi
+ee0224ee18813506d9d6f13d8c8e4679f053c290a443a52a7c52a5d3c852262b android.hardware.wifi@1.0::IWifiApIface
+f3eecc489deb4c74892f59eb7adb769063bd5c354ac132b626a5f42b363d36bc android.hardware.wifi@1.0::IWifiChip
+a1b988377645a58e5e2542ca2bad4e17c21a4a389213d05de2f0e32d57b7d339 android.hardware.wifi@1.0::IWifiChipEventCallback
+5ed6760ce77e84bc6c49d1acb3f7d8117c9176b3f06514bc44ad3af84c80dcfe android.hardware.wifi@1.0::IWifiEventCallback
+6b9ad43a5efbe6ca214f751e22ce43cf5cd4d5d5f2cba80f24ccd3755a72401c android.hardware.wifi@1.0::IWifiIface
+ba5aa74f1ba714f0093864227923492808795bda6199c4ea0891322d27f8c931 android.hardware.wifi@1.0::IWifiNanIface
+325c94f3e1a565b56bbc74faddbd0ba7cb824f263dccf9dfff2daf62b86ed774 android.hardware.wifi@1.0::IWifiNanIfaceEventCallback
+c2c3f0372b41780fb6dfe83c022296806c2024d7046682fd201de5aa9b791c7a android.hardware.wifi@1.0::IWifiP2pIface
+766e9765f5c9c759b2a763c2288353fb5deff3389c2cc28f81d79c939704ce8b android.hardware.wifi@1.0::IWifiRttController
+72ab6f3e120cbf07aa6f8e87ca89112bdeb36b7fbb96bce5af3712323ab8b8e6 android.hardware.wifi@1.0::IWifiRttControllerEventCallback
+3b8093d39ef1e10e43c5538afbf5ff6e39b8d8168ebbe1998d993e89e25f14a5 android.hardware.wifi@1.0::IWifiStaIface
+7fbfc551c3e23c8b4398c3e16e452b516457e6921424a53474cbf373ca306fa9 android.hardware.wifi@1.0::IWifiStaIfaceEventCallback
+e20d5132d6d23e072c15de065b5e2aa13ff965031246a2c82581732bae56bf6d android.hardware.wifi@1.0::types
+f7e55c08187d8c855068a1ee3d0c8daeee7570292d96509c21a8756d4f5cfb9b android.hardware.wifi.supplicant@1.0::ISupplicant
+56b5c7267cb3d3337f44eb8b0b38ff4c6260dcc70e07687fcab94b1ccea8d159 android.hardware.wifi.supplicant@1.0::ISupplicantCallback
+35ba7bcdf18f24a866a7e5429548f06768bb20a257f75b10a397c4d825ef8438 android.hardware.wifi.supplicant@1.0::ISupplicantIface
+cda01008c06922fa37c1213e9bb831a109b3174532805616fb7161edc403866f android.hardware.wifi.supplicant@1.0::ISupplicantNetwork
+4907410338c5e8dbeec4b5edc2608ea323f5561945f8810af81810c47b019184 android.hardware.wifi.supplicant@1.0::ISupplicantP2pIface
+8b63f5efa2e3be3a7cb8a428760d82285a4ab79bcbdea6ef90aa547555e582d4 android.hardware.wifi.supplicant@1.0::ISupplicantP2pIfaceCallback
+56128f74560571b6777d59453f35c6b35693ee377e2a23c807708906928f09de android.hardware.wifi.supplicant@1.0::ISupplicantP2pNetwork
+2067c22197bca9743dab66a6f561a8a8375c67b4f76aed05f776839499bd4c8f android.hardware.wifi.supplicant@1.0::ISupplicantP2pNetworkCallback
+7752e1de93aaf5fed37011c219ac247069f6af320b0810daa98510584a10e7b4 android.hardware.wifi.supplicant@1.0::ISupplicantStaIface
+d781c8d7e7b3fe5cca8cf6e1d8806e770982ae5358c7816ed51b0f0ec272e70d android.hardware.wifi.supplicant@1.0::ISupplicantStaIfaceCallback
+b12ef0bdd8a4d247a8a6e960b227ed32383f2b0241f55d67fcea6eff6a6737fa android.hardware.wifi.supplicant@1.0::ISupplicantStaNetwork
+d8f0877ae1d321c1d884c7631dfe36cab0ec8a4b2863d4b687f85d3549a63bcc android.hardware.wifi.supplicant@1.0::ISupplicantStaNetworkCallback
+fe3c3c2f572b72f15f8594c538b0577bd5c28722c31879cfe6231330cddb6747 android.hardware.wifi.supplicant@1.0::types
+
+# ABI preserving changes to HALs during Android O MR1 (Initial Set)
+
+# android.hardware.automotive.* are unfrozen
+150a338ce11fcec70757c9675d83cf6a5d7b40d0c812741b91671fecce59eac9 android.hardware.broadcastradio@1.0::types
+dc7e6d4f537b9943e27edc4f86c5a03bb643b18f18f866f8c3c71c0ac4ea8cbc android.hardware.broadcastradio@1.0::types
+760485232f6cce07f8bb05e3475509956996b702f77415ee5bff05e2ec5a5bcc android.hardware.dumpstate@1.0::IDumpstateDevice
+e822cb7f4a1bdd45689c5e92ccd19a2201c20b771bd4b2ec1ae627e324591f9d android.hardware.radio@1.0::IRadioResponse
+6e69adb24d7c0b0ca3a54a38c49a5625b161b3f5d5f7d6fda0befdbbfc8e9e06 android.hardware.radio@1.0::IRadioResponse
+28e929b453df3d9f5060af2764e6cdb123ddb893e3e86923c877f6ff7e5f02c9 android.hardware.wifi@1.0::types
+df1d7b27e644bfed0a4f606a8c44d35d45cafce82c7c648494c8a25c7cd4a949 android.hardware.wifi@1.0::types
+
+# HALs released in Android O MR1 (Initial Set)
+
+4b65763663a94a3920134011691f8fbb42ccb7b7795589efddc049a9106047d6 android.hardware.oemlock@1.0::IOemLock
+e02cd3722cb5e8fa51179f5defacb4f7866f903c9c7c51dc01a3148473a71525 android.hardware.oemlock@1.0::types
+224f9d22a367a0016f09b6dc676f53f1446697d9dc747163032329e5da552de5 android.hardware.power@1.1::IPower
+574fd9758b7cab4922c72cc5a9f36d1cd48ffd3425fdd776426653280d3d4138 android.hardware.power@1.1::types
+f79edf50a378a9c9bb737f93f205dab91b4c63ea49723afc6f856c138203ea81 android.hardware.radio@1.1::IRadio
+fcc5c8c88b85a9f63fba67d9e674da466c72a98ca287f343fb5721d098713f86 android.hardware.radio@1.1::IRadioIndication
+50f27e8c7ec009d5d4418b2ce8392b940bbf052ecc1d7251285f332485a5ba4e android.hardware.radio@1.1::IRadioResponse
+be981148c95c0089f3ae92854f0e7ae999d308e927db3e065f12a4fabe07852f android.hardware.radio@1.1::ISap
+d8d6bf7b4d36c04ce587df75953c3f723cfbe71c896c1aa8ab6478eae126723d android.hardware.radio@1.1::types
+d8aae01606bfd34bf2fb9a59cadc016f46f318e56cddb8f15a945c5b3c1222bc android.hardware.tetheroffload.config@1.0::IOffloadConfig
+447b00306bc95a7aafec1d660f6f3e9f76ac8bc0353193435e5579ab833da619 android.hardware.tetheroffload.control@1.0::IOffloadControl
+07658829339d75962016e00ed81b005ad29fca7ac12ad3bc3ccd86b08d94c2d3 android.hardware.tetheroffload.control@1.0::ITetheringOffloadCallback
+0df5b0178af15c53cdce8fcf8ca14035e8e08db4fa76fdc12009ddbe0b53626b android.hardware.tetheroffload.control@1.0::types
+b30ef02ef26ff804e2f6acf1201bc141b59e134e6a0338562284491102cb13e3 android.hardware.usb@1.1::IUsb
+13a580e35af01270a1e9774177c51db51d8672e6139ba00851e654e68a4d7dff android.hardware.usb@1.1::IUsbCallback
+f0ed667288908c08fced570bd1f3c4a0f236aa927938e805f0d9fece525da81e android.hardware.usb@1.1::types
+f95a1e85612f2d0d616eacd2eb63c52d10dfa889f165df57697c30e1f47b4785 android.hardware.vibrator@1.1::IVibrator
+246fb9d9e2b4800aeb0adc3cdbaa15d0321ebab54b7bd1ab87da5b67c7b0b064 android.hardware.vibrator@1.1::types
+9bc43413b80cd0c59a022e93da1448dcb82dd10c6dd31932df4659e4bdcb1368 android.hardware.weaver@1.0::IWeaver
+7728b0393a2ed9796537d4165c7d95407e9d8cb447a647b545fdfe06a28689e7 android.hardware.weaver@1.0::types
+bb7c96762d0aa3ddb874c8815bacdd3cbc8fb87ea2f82b928bc29e24a3593055 android.hardware.wifi.offload@1.0::IOffload
+c3354ab0d381a236c12dc486ad4b6bec28c979d26748b4661f12ede36f392808 android.hardware.wifi.offload@1.0::IOffloadCallback
+b18caefefcc765092412285d776234fcf213b73bdf07ae1b67a5f71b2d2464e3 android.hardware.wifi.offload@1.0::types
+c26473e2e4a00af43e28a0ddf9002e5062a7d0940429e5efb6e5513a8abcb75c android.hardware.wifi@1.1::IWifi
+b056e1defab4071584214584057d0bc73a613081bf1152590549649d4582c13c android.hardware.wifi@1.1::IWifiChip
+
+# ABI preserving changes to HALs during Android O MR1 (Final Set)
+2d833aeed0cd1d59437aca210be590a953cf32bcb6683cd63d089762a643fb49 android.hardware.radio@1.0::IRadioResponse
+05aa3de6130a9788fdb6f4d3cc57c3ea90f067e77a5e09d6a772ec7f6bca33d2 android.hardware.radio@1.1::IRadioResponse
+
+# HALs released in Android O MR1 (Final Set)
+044cb039378b8a0e36f40ff1e6ce04dc0d339da02095f968d5062a051e99d108 android.hardware.broadcastradio@1.1::types
+c9699483f8cefe4f9b39b4b9609b76cab2dd1659a06188056b45797d337d4256 android.hardware.broadcastradio@1.1::IBroadcastRadio
+b5d62dcd663fc4fcc977b252af59b333043bdfe73de2f11fe6d6a8bf438a0f92 android.hardware.broadcastradio@1.1::IBroadcastRadioFactory
+bc7e054a6e93adebedff345aeed44549be89e6b1b6ffe071ff47a61de764b232 android.hardware.broadcastradio@1.1::ITuner
+e9139fc755be578693f17c8cd1e27c75f412cfc722157bab5bf03ee68896e31d android.hardware.broadcastradio@1.1::ITunerCallback
+63929c99e5755d9e09d9e0fd2527391fbb1609dda0508f5933b7943b92ae0fbc android.hardware.camera.device@3.3::types
+bbcfc3f748b078f6a66c4e228084a679d30bd61bfde8bb7a91efd507b91c1bfd android.hardware.camera.device@3.3::ICameraDeviceSession
+4a6998cd6793a3f9f03989c29d662589b1bc9d38826c6698c6c17864f7a814f5 android.hardware.cas@1.0::types
+0e656ba1bac11461a17096ef752b69d24b000d820ef5652f0150a0f9731d54c2 android.hardware.cas@1.0::ICas
+b80e1456b81f80032d0de7cb45652ac15af11e7474d520d757481ecaad796dff android.hardware.cas@1.0::ICasListener
+a432d6d9200248dc2126827bcd6cdea31dd65eff39b939f64585d27d915a5857 android.hardware.cas@1.0::IDescramblerBase
+86ba9c03978b79a742e990420bc5ced0673d25a939f82572996bef92621e2014 android.hardware.cas@1.0::IMediaCasService
+503da837d1a67cbdb7c08a033e927e5430ae1b159d98bf72c6336b4dcc5e76f5 android.hardware.cas.native@1.0::types
+619600109232ed64b827c8a11beed8070b1827ae464547d7aa146cf0473b4bca android.hardware.cas.native@1.0::IDescrambler
+0a159f81359cd4f71bbe00972ee8403ea79351fb7c0cd48be72ebb3e424dbaef android.hardware.radio@1.0::types
+09342041e17c429fce0034b9096d17849122111436a5f0053e7e59500e1cb89c android.hardware.media.omx@1.0::IOmxStore
+246a56d37d57a47224562c9d077b4a2886ce6242b9311bd98a17325944c280d7 android.hardware.neuralnetworks@1.0::types
+93eb3757ceaf21590fa4cd1d4a7dfe3b3794af5396100a6d25630879352abce9 android.hardware.neuralnetworks@1.0::IDevice
+f66f9a38541bf92001d3adcce678cd7e3da2262124befb460b1c9aea9492813b android.hardware.neuralnetworks@1.0::IExecutionCallback
+953607822954435874f4b81686440a604e2a88cdd2d9164c6293f3d5772510d7 android.hardware.neuralnetworks@1.0::IPreparedModel
+73e03573494ba96f0e711ab7f1956c5b2d54c3da690cd7ecf4d6d0f287447730 android.hardware.neuralnetworks@1.0::IPreparedModelCallback
+f4945e397b5dea41bb64518dfde59be71245d8a125fd1e0acffeb57ac7b08fed android.hardware.thermal@1.1::IThermal
+c8bc853546dd55584611def2a9fa1d99f657e3366c976d2f60fe6b8aa6d2cb87 android.hardware.thermal@1.1::IThermalCallback
diff --git a/prebuilt_hashes/28.txt b/prebuilt_hashes/28.txt
new file mode 100644
index 0000000..cc15322
--- /dev/null
+++ b/prebuilt_hashes/28.txt
@@ -0,0 +1,382 @@
+# Do not change this file except to add new interfaces. Changing
+# pre-existing interfaces will fail VTS and break framework-only OTAs
+
+# HALs released in Android O
+
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+4ef57499273f38bdbdd0c15e56ee7a4bc5f18a5644092170a531df3541d9e015 android.hardware.usb@1.0::IUsb
+4be7881e411ba42784bf5b7354c14ae0cf161004d39433aaecaab0d19ea99354 android.hardware.usb@1.0::IUsbCallback
+f7e6e747910a3cd0a35846141e3b990a6a612a297b2b70ccd5740b646a450a8c android.hardware.usb@1.0::types
+06ea64cc3565777f3b259e400ffa7100d07f3827ad9357b0c5d3c651384e5553 android.hardware.vibrator@1.0::IVibrator
+0fecd34ae64f32eff6aa615fd662349242c0b8b6e303ef05a7cb5776c732f413 android.hardware.vibrator@1.0::types
+4b962968a7df4ab104d1315d66a0a7348a713fecbb5d2c1b23688494458f37ce android.hardware.vr@1.0::IVr
+b9be36719a8ad534000a51ea07be91be94c405bf1e038ae825acf65087ffd378 android.hardware.wifi@1.0::IWifi
+ee0224ee18813506d9d6f13d8c8e4679f053c290a443a52a7c52a5d3c852262b android.hardware.wifi@1.0::IWifiApIface
+f3eecc489deb4c74892f59eb7adb769063bd5c354ac132b626a5f42b363d36bc android.hardware.wifi@1.0::IWifiChip
+a1b988377645a58e5e2542ca2bad4e17c21a4a389213d05de2f0e32d57b7d339 android.hardware.wifi@1.0::IWifiChipEventCallback
+5ed6760ce77e84bc6c49d1acb3f7d8117c9176b3f06514bc44ad3af84c80dcfe android.hardware.wifi@1.0::IWifiEventCallback
+6b9ad43a5efbe6ca214f751e22ce43cf5cd4d5d5f2cba80f24ccd3755a72401c android.hardware.wifi@1.0::IWifiIface
+ba5aa74f1ba714f0093864227923492808795bda6199c4ea0891322d27f8c931 android.hardware.wifi@1.0::IWifiNanIface
+325c94f3e1a565b56bbc74faddbd0ba7cb824f263dccf9dfff2daf62b86ed774 android.hardware.wifi@1.0::IWifiNanIfaceEventCallback
+c2c3f0372b41780fb6dfe83c022296806c2024d7046682fd201de5aa9b791c7a android.hardware.wifi@1.0::IWifiP2pIface
+766e9765f5c9c759b2a763c2288353fb5deff3389c2cc28f81d79c939704ce8b android.hardware.wifi@1.0::IWifiRttController
+72ab6f3e120cbf07aa6f8e87ca89112bdeb36b7fbb96bce5af3712323ab8b8e6 android.hardware.wifi@1.0::IWifiRttControllerEventCallback
+3b8093d39ef1e10e43c5538afbf5ff6e39b8d8168ebbe1998d993e89e25f14a5 android.hardware.wifi@1.0::IWifiStaIface
+7fbfc551c3e23c8b4398c3e16e452b516457e6921424a53474cbf373ca306fa9 android.hardware.wifi@1.0::IWifiStaIfaceEventCallback
+e20d5132d6d23e072c15de065b5e2aa13ff965031246a2c82581732bae56bf6d android.hardware.wifi@1.0::types
+f7e55c08187d8c855068a1ee3d0c8daeee7570292d96509c21a8756d4f5cfb9b android.hardware.wifi.supplicant@1.0::ISupplicant
+56b5c7267cb3d3337f44eb8b0b38ff4c6260dcc70e07687fcab94b1ccea8d159 android.hardware.wifi.supplicant@1.0::ISupplicantCallback
+35ba7bcdf18f24a866a7e5429548f06768bb20a257f75b10a397c4d825ef8438 android.hardware.wifi.supplicant@1.0::ISupplicantIface
+cda01008c06922fa37c1213e9bb831a109b3174532805616fb7161edc403866f android.hardware.wifi.supplicant@1.0::ISupplicantNetwork
+4907410338c5e8dbeec4b5edc2608ea323f5561945f8810af81810c47b019184 android.hardware.wifi.supplicant@1.0::ISupplicantP2pIface
+8b63f5efa2e3be3a7cb8a428760d82285a4ab79bcbdea6ef90aa547555e582d4 android.hardware.wifi.supplicant@1.0::ISupplicantP2pIfaceCallback
+56128f74560571b6777d59453f35c6b35693ee377e2a23c807708906928f09de android.hardware.wifi.supplicant@1.0::ISupplicantP2pNetwork
+2067c22197bca9743dab66a6f561a8a8375c67b4f76aed05f776839499bd4c8f android.hardware.wifi.supplicant@1.0::ISupplicantP2pNetworkCallback
+7752e1de93aaf5fed37011c219ac247069f6af320b0810daa98510584a10e7b4 android.hardware.wifi.supplicant@1.0::ISupplicantStaIface
+d781c8d7e7b3fe5cca8cf6e1d8806e770982ae5358c7816ed51b0f0ec272e70d android.hardware.wifi.supplicant@1.0::ISupplicantStaIfaceCallback
+b12ef0bdd8a4d247a8a6e960b227ed32383f2b0241f55d67fcea6eff6a6737fa android.hardware.wifi.supplicant@1.0::ISupplicantStaNetwork
+d8f0877ae1d321c1d884c7631dfe36cab0ec8a4b2863d4b687f85d3549a63bcc android.hardware.wifi.supplicant@1.0::ISupplicantStaNetworkCallback
+fe3c3c2f572b72f15f8594c538b0577bd5c28722c31879cfe6231330cddb6747 android.hardware.wifi.supplicant@1.0::types
+
+# ABI preserving changes to HALs during Android O MR1 (Initial Set)
+
+150a338ce11fcec70757c9675d83cf6a5d7b40d0c812741b91671fecce59eac9 android.hardware.broadcastradio@1.0::types
+dc7e6d4f537b9943e27edc4f86c5a03bb643b18f18f866f8c3c71c0ac4ea8cbc android.hardware.broadcastradio@1.0::types
+760485232f6cce07f8bb05e3475509956996b702f77415ee5bff05e2ec5a5bcc android.hardware.dumpstate@1.0::IDumpstateDevice
+78589343d8ee2e1b155acad3fbdc7fcbb6af94491aee968b2383c21627264f8b android.hardware.radio@1.0::IRadioResponse # Available in Android O, b/68061860
+e822cb7f4a1bdd45689c5e92ccd19a2201c20b771bd4b2ec1ae627e324591f9d android.hardware.radio@1.0::IRadioResponse
+6e69adb24d7c0b0ca3a54a38c49a5625b161b3f5d5f7d6fda0befdbbfc8e9e06 android.hardware.radio@1.0::IRadioResponse
+c2c50ec74c87a583c683b4493f8f9f2e454a8d41c57af5b3eb88823a999f0ea4 android.hardware.radio@1.0::IRadioResponse # Added for b/65230472 for Android O
+4922dd58e89a03181ed1c48a6e118e47633b73b11090bdfed5aa920d25a7592b android.hardware.radio@1.0::IRadioResponse # Added for b/65230472 for Android O DR
+28e929b453df3d9f5060af2764e6cdb123ddb893e3e86923c877f6ff7e5f02c9 android.hardware.wifi@1.0::types
+df1d7b27e644bfed0a4f606a8c44d35d45cafce82c7c648494c8a25c7cd4a949 android.hardware.wifi@1.0::types
+
+# HALs released in Android O MR1 (Initial Set)
+
+4b65763663a94a3920134011691f8fbb42ccb7b7795589efddc049a9106047d6 android.hardware.oemlock@1.0::IOemLock
+e02cd3722cb5e8fa51179f5defacb4f7866f903c9c7c51dc01a3148473a71525 android.hardware.oemlock@1.0::types
+224f9d22a367a0016f09b6dc676f53f1446697d9dc747163032329e5da552de5 android.hardware.power@1.1::IPower
+574fd9758b7cab4922c72cc5a9f36d1cd48ffd3425fdd776426653280d3d4138 android.hardware.power@1.1::types
+f79edf50a378a9c9bb737f93f205dab91b4c63ea49723afc6f856c138203ea81 android.hardware.radio@1.1::IRadio
+fcc5c8c88b85a9f63fba67d9e674da466c72a98ca287f343fb5721d098713f86 android.hardware.radio@1.1::IRadioIndication
+50f27e8c7ec009d5d4418b2ce8392b940bbf052ecc1d7251285f332485a5ba4e android.hardware.radio@1.1::IRadioResponse
+be981148c95c0089f3ae92854f0e7ae999d308e927db3e065f12a4fabe07852f android.hardware.radio@1.1::ISap
+d8d6bf7b4d36c04ce587df75953c3f723cfbe71c896c1aa8ab6478eae126723d android.hardware.radio@1.1::types
+d8aae01606bfd34bf2fb9a59cadc016f46f318e56cddb8f15a945c5b3c1222bc android.hardware.tetheroffload.config@1.0::IOffloadConfig
+447b00306bc95a7aafec1d660f6f3e9f76ac8bc0353193435e5579ab833da619 android.hardware.tetheroffload.control@1.0::IOffloadControl
+07658829339d75962016e00ed81b005ad29fca7ac12ad3bc3ccd86b08d94c2d3 android.hardware.tetheroffload.control@1.0::ITetheringOffloadCallback
+0df5b0178af15c53cdce8fcf8ca14035e8e08db4fa76fdc12009ddbe0b53626b android.hardware.tetheroffload.control@1.0::types
+b30ef02ef26ff804e2f6acf1201bc141b59e134e6a0338562284491102cb13e3 android.hardware.usb@1.1::IUsb
+13a580e35af01270a1e9774177c51db51d8672e6139ba00851e654e68a4d7dff android.hardware.usb@1.1::IUsbCallback
+f0ed667288908c08fced570bd1f3c4a0f236aa927938e805f0d9fece525da81e android.hardware.usb@1.1::types
+f95a1e85612f2d0d616eacd2eb63c52d10dfa889f165df57697c30e1f47b4785 android.hardware.vibrator@1.1::IVibrator
+246fb9d9e2b4800aeb0adc3cdbaa15d0321ebab54b7bd1ab87da5b67c7b0b064 android.hardware.vibrator@1.1::types
+9bc43413b80cd0c59a022e93da1448dcb82dd10c6dd31932df4659e4bdcb1368 android.hardware.weaver@1.0::IWeaver
+7728b0393a2ed9796537d4165c7d95407e9d8cb447a647b545fdfe06a28689e7 android.hardware.weaver@1.0::types
+bb7c96762d0aa3ddb874c8815bacdd3cbc8fb87ea2f82b928bc29e24a3593055 android.hardware.wifi.offload@1.0::IOffload
+c3354ab0d381a236c12dc486ad4b6bec28c979d26748b4661f12ede36f392808 android.hardware.wifi.offload@1.0::IOffloadCallback
+b18caefefcc765092412285d776234fcf213b73bdf07ae1b67a5f71b2d2464e3 android.hardware.wifi.offload@1.0::types
+c26473e2e4a00af43e28a0ddf9002e5062a7d0940429e5efb6e5513a8abcb75c android.hardware.wifi@1.1::IWifi
+b056e1defab4071584214584057d0bc73a613081bf1152590549649d4582c13c android.hardware.wifi@1.1::IWifiChip
+
+# ABI preserving changes to HALs during Android O MR1 (Final Set)
+09342041e17c429fce0034b9096d17849122111436a5f0053e7e59500e1cb89c android.hardware.media.omx@1.0::IOmxStore
+2d833aeed0cd1d59437aca210be590a953cf32bcb6683cd63d089762a643fb49 android.hardware.radio@1.0::IRadioResponse
+0a159f81359cd4f71bbe00972ee8403ea79351fb7c0cd48be72ebb3e424dbaef android.hardware.radio@1.0::types
+05aa3de6130a9788fdb6f4d3cc57c3ea90f067e77a5e09d6a772ec7f6bca33d2 android.hardware.radio@1.1::IRadioResponse
+
+# HALs released in Android O MR1 (Final Set)
+044cb039378b8a0e36f40ff1e6ce04dc0d339da02095f968d5062a051e99d108 android.hardware.broadcastradio@1.1::types
+c9699483f8cefe4f9b39b4b9609b76cab2dd1659a06188056b45797d337d4256 android.hardware.broadcastradio@1.1::IBroadcastRadio
+b5d62dcd663fc4fcc977b252af59b333043bdfe73de2f11fe6d6a8bf438a0f92 android.hardware.broadcastradio@1.1::IBroadcastRadioFactory
+bc7e054a6e93adebedff345aeed44549be89e6b1b6ffe071ff47a61de764b232 android.hardware.broadcastradio@1.1::ITuner
+e9139fc755be578693f17c8cd1e27c75f412cfc722157bab5bf03ee68896e31d android.hardware.broadcastradio@1.1::ITunerCallback
+63929c99e5755d9e09d9e0fd2527391fbb1609dda0508f5933b7943b92ae0fbc android.hardware.camera.device@3.3::types
+bbcfc3f748b078f6a66c4e228084a679d30bd61bfde8bb7a91efd507b91c1bfd android.hardware.camera.device@3.3::ICameraDeviceSession
+4a6998cd6793a3f9f03989c29d662589b1bc9d38826c6698c6c17864f7a814f5 android.hardware.cas@1.0::types
+0e656ba1bac11461a17096ef752b69d24b000d820ef5652f0150a0f9731d54c2 android.hardware.cas@1.0::ICas
+b80e1456b81f80032d0de7cb45652ac15af11e7474d520d757481ecaad796dff android.hardware.cas@1.0::ICasListener
+a432d6d9200248dc2126827bcd6cdea31dd65eff39b939f64585d27d915a5857 android.hardware.cas@1.0::IDescramblerBase
+86ba9c03978b79a742e990420bc5ced0673d25a939f82572996bef92621e2014 android.hardware.cas@1.0::IMediaCasService
+503da837d1a67cbdb7c08a033e927e5430ae1b159d98bf72c6336b4dcc5e76f5 android.hardware.cas.native@1.0::types
+619600109232ed64b827c8a11beed8070b1827ae464547d7aa146cf0473b4bca android.hardware.cas.native@1.0::IDescrambler
+93eb3757ceaf21590fa4cd1d4a7dfe3b3794af5396100a6d25630879352abce9 android.hardware.neuralnetworks@1.0::IDevice
+f66f9a38541bf92001d3adcce678cd7e3da2262124befb460b1c9aea9492813b android.hardware.neuralnetworks@1.0::IExecutionCallback
+953607822954435874f4b81686440a604e2a88cdd2d9164c6293f3d5772510d7 android.hardware.neuralnetworks@1.0::IPreparedModel
+73e03573494ba96f0e711ab7f1956c5b2d54c3da690cd7ecf4d6d0f287447730 android.hardware.neuralnetworks@1.0::IPreparedModelCallback
+246a56d37d57a47224562c9d077b4a2886ce6242b9311bd98a17325944c280d7 android.hardware.neuralnetworks@1.0::types
+f4945e397b5dea41bb64518dfde59be71245d8a125fd1e0acffeb57ac7b08fed android.hardware.thermal@1.1::IThermal
+c8bc853546dd55584611def2a9fa1d99f657e3366c976d2f60fe6b8aa6d2cb87 android.hardware.thermal@1.1::IThermalCallback
+
+# ABI preserving changes to HALs during Android P
+9e7a0b650d0e461ece2cfec0e1072abf8676f592b41a7fb48f01e88fc3c8f780 android.hardware.broadcastradio@1.0::types
+cf72ff5a52bfa4d08e9e1000cf3ab5952a2d280c7f13cdad5ab7905c08050766 android.hardware.camera.metadata@3.2::types
+3902efc42097cba55f0655aa389e052ea70164e99ced1a6d1ef53dafc13f7650 android.hardware.camera.provider@2.4::ICameraProvider
+6fa9804a17a8bb7923a56bd10493a5483c20007e4c9026fd04287bee7c945a8c android.hardware.gnss@1.0::IGnssCallback
+fb92e2b40f8e9d494e8fd3b4ac18499a3216342e7cff160714c3bbf3660b6e79 android.hardware.gnss@1.0::IGnssConfiguration
+251594ea9b27447bfa005ebd806e58fb0ae4aad84a69938129c9800ec0c64eda android.hardware.gnss@1.0::IGnssMeasurementCallback
+4e7169919d24fbe5573e5bcd683d0bd7abf553a4e6c34c41f9dfc1e12050db07 android.hardware.gnss@1.0::IGnssNavigationMessageCallback
+190ea4898809de6cf379afe318f5fa9564686157b24d9a2d7f5698b0c977d8b2 android.hardware.graphics.bufferqueue@1.0::IGraphicBufferProducer
+25892789b50eb673506b6c5a2cdab5d9aa428d41608aab10280cc898538b524a android.hardware.graphics.composer@2.1::IComposerClient
+e205dd30f5ff99445b706a901de8ebc46c379e9d7c1921d6a327ed2082cfa83d android.hardware.graphics.composer@2.1::types
+a46251718abfada458dc64c41ce94915757bf6c87cfa2d9e99cfb01fa8e32331 android.hardware.graphics.mapper@2.0::IMapper
+bd33ac23c57b4a07632691d2191bc2c93930f57e62f4ccf459748fdaa5c0f480 android.hardware.graphics.mapper@2.0::types
+ad8a28ca3a5549fb9bc24cf5f80ac8f660cc27be885210d76266780aa52ddb8d android.hardware.keymaster@3.0::types
+5804ca86611d72e5481f022b3a0c1b334217f2e4988dad25730c42af2d1f4d1c android.hardware.neuralnetworks@1.0::IDevice
+12e8dca4ab7d8aadd0ef8f1b438021938e2396139e85db2ed65783b08800aa52 android.hardware.neuralnetworks@1.0::IExecutionCallback
+86b77e06da756a76aa3685be88765852dd982a86d8c90b8b4fc1130ed4184c8f android.hardware.neuralnetworks@1.0::types
+d4840db8efabdf1e4b344fc981cd36e5fe81a39aff6e199f6d06c1c8da413efd android.hardware.radio@1.0::types
+f96cbc59dfe16c8d0c2a7e06db24d8738a6328b6e90f7b8e1640ea2b4600debd android.hardware.radio@1.1::ISap
+2d86929794795e5c70f4fdb5073485fd05835c9c6f496116687c3d9f32e6df3e android.hardware.radio@1.2::ISap
+905a4af79c8329b39d8b11b08f015137216bb078b427b6986f32884a04bc1bec android.hardware.tv.cec@1.0::types
+aebcd9ff2da05c9d4c439916f40dfd219ba7629919007cb981ebf150064b4f82 android.hardware.usb@1.1::IUsb
+e29fb1941b40a990676f8e9c676a38761defd890b81a9c034608eb7ba6496023 android.hardware.wifi@1.0::IWifiP2pIface
+b280c4704dfcc548a9bf127b59b7c3578f460c50cce70a06b66fe0df8b27cff0 android.hardware.wifi@1.0::types
+
+# HALs released in Android P
+5860cf040a3d5d771967ecf648b00d06876a7120da985ee2b3e95d01f634dd20 android.hardware.audio@4.0::IDevice
+cf82a0249e918fdc657e189895e92d60af0491868477e82cdc30f6cab0ca2c65 android.hardware.audio@4.0::IDevicesFactory
+be3dc9baed45a0d330152eca3ca24fa419b375b20a41644c88d4fb46b72784d2 android.hardware.audio@4.0::IPrimaryDevice
+3e3acb70c4e6c7d578f511f4a44ee764ab9126f887a3bf65d523c42e40012bf6 android.hardware.audio@4.0::IStream
+d5de64e66b95f135dd42492250a309134b8227203ef3524440798c66b6f5a392 android.hardware.audio@4.0::IStreamIn
+888ac906461327fa0bd93854d5109be8c292a33afdb467164826970a8bd5b789 android.hardware.audio@4.0::IStreamOut
+15f6ae78e73344c8e7d68847ef03caec64fcd9f951bbcf59957d1712c247fcff android.hardware.audio@4.0::IStreamOutCallback
+61f0eaa4d08547d039e9b1dd7c82abe2c004286d1b9b8153c2491ff46a8a63ca android.hardware.audio@4.0::types
+5d47a2ad2c136b8aba067dd45bb10d0ad390dd76340764154f580658f98f4fe6 android.hardware.audio.common@4.0::types
+b04b6b364938b80008e61fa2e318bc299622433e57c2e1f6cfba332a3f6e3f15 android.hardware.audio.effect@4.0::IAcousticEchoCancelerEffect
+1c17d4ece5c8ba3f7a646a305ee0dd109b0d51372e1bd585812e513cd40e1852 android.hardware.audio.effect@4.0::IAutomaticGainControlEffect
+34174259fe6fbb1bb14e7103e097f2f25529271a676687845b2f55d6d0d9d617 android.hardware.audio.effect@4.0::IBassBoostEffect
+7a18e9bd0163f3784448f6e24be0db75f877e2f0f9bd0d7ec427f1c34b382c0b android.hardware.audio.effect@4.0::IDownmixEffect
+bac81bffbe2661d5b6839087d2dd3a27eded66e60c6c76d35c68d54014cd5c06 android.hardware.audio.effect@4.0::IEffect
+65f0bcf9e498b26f3266ad10cf513a6c2b5906cc49f9db4bc5c7d3ba11a72e05 android.hardware.audio.effect@4.0::IEffectBufferProviderCallback
+5a746e81175489eb2371b88864c36c9bb63bc64ef799fae74cd96003b013c0d1 android.hardware.audio.effect@4.0::IEffectsFactory
+839980c7c5be79da6b95fdb9354a62b04407b4b084749b7a21d2c340773d7638 android.hardware.audio.effect@4.0::IEnvironmentalReverbEffect
+2805fbdac7cff050a1c095b9276bb41ac02a3b7b354336817487eb9a4b6bb462 android.hardware.audio.effect@4.0::IEqualizerEffect
+a91b547f5922f39fe4231d97fac1c3825c1c1b0c8ef7a5136689ceed37e8bfe9 android.hardware.audio.effect@4.0::ILoudnessEnhancerEffect
+1145f5b921ddec184fda5bdc87487b46f2a89cd9f42cc882bbb3a54f4ac80466 android.hardware.audio.effect@4.0::INoiseSuppressionEffect
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+fe28829dab10d171783b79ac9cc45412739f8ff275e90228d7c6370ef189b859 android.hardware.audio.effect@4.0::IVisualizerEffect
+21c8a702579356480236c6851b5b2c16b9bd369ce12bdd6ffdc4626a89f34f73  android.hardware.audio.effect@4.0::types
+42a06dc288f61b0690580f3d37b30b663c31d74d50bb58d0772386b550d5faab android.hardware.authsecret@1.0::IAuthSecret
+32cc50cc2a7658ec613c0c2dd2accbf6a05113b749852879e818b8b7b438db19 android.hardware.bluetooth.a2dp@1.0::IBluetoothAudioHost
+ff4be64d7992f8bec97dff37f35450e79b3430c61f85f54322ce45bef229dc3b android.hardware.bluetooth.a2dp@1.0::IBluetoothAudioOffload
+27f22d2e873e6201f9620cf4d8e2facb25bd0dd30a2b911e441b4600d560fa62 android.hardware.bluetooth.a2dp@1.0::types
+3d8ed67d807e9f15d0708390a416bee00920f6a22196c104cc9e443c8d217df8 android.hardware.broadcastradio@2.0::IAnnouncementListener
+44017c42e6f4d8cb30f07eb1da04540a98736a336ac28c7e0ed2e69e1589f8d1 android.hardware.broadcastradio@2.0::IBroadcastRadio
+e5f4960290b4f3089163dd43251e1a032c81e9bdb796e75a87fc7c5810c262b3 android.hardware.broadcastradio@2.0::ICloseHandle
+af24b87ca8b8f02fcde205e47db6a9609fc7e9d77d73e694ec8f9c508ca19575 android.hardware.broadcastradio@2.0::ITunerCallback
+d70464c517a4a1b5167730843775a97f455102919e945b04f717b9da390c0f39 android.hardware.broadcastradio@2.0::ITunerSession
+2afa59ebf8145e7fbc090cf49605c27280c07d4178d47cd7f9d82b3b95a47af0 android.hardware.broadcastradio@2.0::types
+4fb0725c36ed4f77a42b42e3f18d8b5f7919cb62b90098b23143a555aa7dd96d android.hardware.camera.device@3.4::ICameraDeviceCallback
+812fa66aa10ba0cba27cfddc2fd7f0ee27a8ab65a1f15aa79fdad97d403e6a14 android.hardware.camera.device@3.4::ICameraDeviceSession
+cc288f1f78d1e643eb3d3dbc16e1401d44033d8e6856761f5156814a29986ec7 android.hardware.camera.device@3.4::types
+f9278c8beb9d42d96e26d73ecabe1dff1d7e2fb301ab7f737d93e5ffae8d3312 android.hardware.camera.metadata@3.3::types
+f858091b10f7d5927be60573c06df4805275d37226bbb41a732190bfb81457ec android.hardware.configstore@1.1::ISurfaceFlingerConfigs
+5b0fb9842f8b0eb3730b93c30a7925290ab44763ab86bb493bfa58d0f2eeb369 android.hardware.configstore@1.1::types
+1a46aeae45b7a0e47f79b7207300532986f9d9cd7060779afc7a529f54d712ab android.hardware.confirmationui@1.0::IConfirmationResultCallback
+6d8347ff3cd7de471065ac3e8e68385073630cdeebe9f8fa58cb91cf44436c95 android.hardware.confirmationui@1.0::IConfirmationUI
+a3ff916784dce87a56c757ab5c86433f0cdf562280999a5f978a6e8a0f3f19e7 android.hardware.confirmationui@1.0::types
+1fbf2d7e383632216aaaa1d972a21a618f55659263d2e6f0b309e3cb323b4b63 android.hardware.drm@1.1::ICryptoFactory
+7877ff8e4c1e48b825e6e5e66d050288e5656ed535c61cc7830a92ed4a9e1990 android.hardware.drm@1.1::IDrmFactory
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+5047a346ecce239404b9020959f60dd467318e9c17b290a6386bc3894df62c3c android.hardware.drm@1.1::types
+a830336ac8627d6432cfafb1b884343ad9f885dee0a5323e380e6d3c519156b8 android.hardware.gnss@1.1::IGnss
+8ad55bc35bb3a83e65c018bdfde7ae5ebc749ff2bf6b79412ded0bc6c89b97d8 android.hardware.gnss@1.1::IGnssCallback
+3c5183d7506010be57e0f748e3640fc2ded1ba955784b6256ba427f4c399591c android.hardware.gnss@1.1::IGnssConfiguration
+1a07d1383e847c3deb696ec7a2c9e33b9683772945660448a010b18063da67a4 android.hardware.gnss@1.1::IGnssMeasurement
+83e7a10ff3702147bd7ffa04567b20d407a3b16bbb7705644af44d919afe9103 android.hardware.gnss@1.1::IGnssMeasurementCallback
+0b96e0254e2168cfecb30c1ed5fb42681652cc00faa68c6e07568fafe64d1d50 android.hardware.graphics.common@1.1::types
+7d2cef99c838fb58038de8bbfd3cdb76ff4797241987077721715297f8d45e34 android.hardware.graphics.common@1.1::types # b/78135149
+d9b40a5b09962a5a0780b10fe33a4e607e69e2e088fc83de88a584115b7cb1c0 android.hardware.graphics.composer@2.2::IComposer
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+434c4c32c00b0e54bb05e40c79503208b40f786a318029a2a4f66e34f10f2a76 android.hardware.health@2.0::IHealthInfoCallback
+c9e498f1ade5e26f00d290b4763a9671ec6720f915e7d592844b62e8cb1f9b5c android.hardware.health@2.0::types
+201f9723353fdbd40bf3705537fb7e015e4c399879425e68688fe0f43606ea4d android.hardware.keymaster@4.0::IKeymasterDevice
+1b7d2090c0a28b229d37c4b96160796b1f0d703950ac6ccc163fccd280830503 android.hardware.keymaster@4.0::types
+6d5c646a83538f0f9d8438c259932509f4353410c6c76e56db0d6ca98b69c3bb android.hardware.media.bufferpool@1.0::IAccessor
+b8c7ed58aa8740361e63d0ce9e7c94227572a629f356958840b34809d2393a7c android.hardware.media.bufferpool@1.0::IClientManager
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+6aef1218e5949f867b0104752ac536c1b707222a403341720de90141df129e3e android.hardware.media.bufferpool@1.0::types
+7698dc2382a2eeb43541840e3ee624f34108efdfb976b2bfa7c13ef15fb8c4c4 android.hardware.neuralnetworks@1.1::IDevice
+72cc6126632456e8fbb8776fe50150c3c4dd5d09145653193affb70785211dfa android.hardware.neuralnetworks@1.1::types
+8d3d86da0bfa4bf070970d8303c659f67f35d670c287d45a3f542e4fedadd578 android.hardware.nfc@1.1::INfc
+e85f566698d2a2c28100e264fcf2c691a066756ddf8dd341d009ff50cfe10614 android.hardware.nfc@1.1::INfcClientCallback
+5e278fcaa3287d397d8eebe1c22aaa28150f5caae1cf9381cd6dc32cb37899c5 android.hardware.nfc@1.1::types
+163e115e833fc1d77cdd4a8cf0c833bb8b8d74fe35c880fe693101d17774926f android.hardware.power@1.2::IPower
+7899b9305587b2d5cd74a3cc87e9090f58bf4ae74256ce3ee36e7ec011822840 android.hardware.power@1.2::types
+ab132c990a62f0aca35871c092c22fb9c85d478e22124ef6a4d0a2302da76a9f android.hardware.radio@1.2::IRadio
+cda752aeabaabc20486a82ac57a3dd107785c006094a349bc5e224e8aa22a17c android.hardware.radio@1.2::IRadioIndication
+da8c6ae991c6a4b284cc6e445332e064e28ee8a09482ed5afff9d159ec6694b7 android.hardware.radio@1.2::IRadioResponse
+b65332996eb39ba63300a1011404141fa59ce5c252bc17afae637be6eeca5f55 android.hardware.radio@1.2::ISap
+a9361522cc97ef66209d39ba324095b2f08344054bb4d3481e803eee0480623a android.hardware.radio@1.2::types
+87385469cf4409f0f33b01508e7a477cf71f2a11e466dd7e3ab5971a1baaa72b android.hardware.radio.config@1.0::IRadioConfig
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+4307696b64ded9bd8de06887f9dfc533e875c4e0d83b8008df4d705164bde0b1 android.hardware.radio.config@1.0::types
+bd7699f07ba5392310fefd33ea964e01f4f4a66015146845c85055004823cc81 android.hardware.secure_element@1.0::ISecureElement
+a65aa82bbe48d81a9ae9e86247bb1b89fd2d3138d4053d7a5b716c71149b7dee android.hardware.secure_element@1.0::ISecureElementHalCallback
+2984c069f48ba35cd1bf49b0e17daad0d418fef52cb7a4a84dba0043114063d4 android.hardware.secure_element@1.0::types
+b4f507b4dc9b5cd5f0e4445926acb7d94525ae60dc307b3951142283632207b6 android.hardware.soundtrigger@2.1::ISoundTriggerHw
+92c2cc0f06ef744c5bda21f1d660258f7937203109b493eee22c3f3e2dbb0d3e android.hardware.soundtrigger@2.1::ISoundTriggerHwCallback
+8ddfa7542772cc7bca19972b2d856264efa31914bfd098aeb7c2079d950194cb android.hardware.usb.gadget@1.0::IUsbGadget
+ad0a620cda08f01b151c30cb7afa23b0637cc84340cf8dec00ac8e32cf54a8db android.hardware.usb.gadget@1.0::IUsbGadgetCallback
+51fc20f223561ac3a32ace3217837ef3860265bd91c8b7ae3859532caef9bc39 android.hardware.usb.gadget@1.0::types
+1bfc9fd9536ed09f04bcaf222a332bc919f1565d4d08bddccdebe1bfca8f01b5 android.hardware.vibrator@1.2::IVibrator
+a0aefa29881235c21e4761d15c55edc35ef85c2e0d9e01d0966176d1dbf5f811 android.hardware.vibrator@1.2::types
+8bc75a0dfac15c6f87ffec950b76c7d7de30d516b54e8e0b1f3c0ff9c7c6873b android.hardware.wifi@1.2::IWifi
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+8c7ef32fc78d5ec6e6956de3784cc2c6f42614b5272d2e461f6d60534ba38ec2 android.hardware.wifi@1.2::IWifiNanIface
+1e6074efad9da333803fb7c1acdb719d51c30b2e1e92087b0420341631c30b60 android.hardware.wifi@1.2::IWifiNanIfaceEventCallback
+f5682dbf19f712bef9cc3faa5fe3dc670b6ffbcb62a147a1d86b9d43574cd83f android.hardware.wifi@1.2::IWifiStaIface
+6db2e7d274be2dca9bf3087afd1f774a68c99d2b4dc7eeaf41690e5cebcbef7a android.hardware.wifi@1.2::types
+ee08280de21cb41e3ec26d6ed636c701b7f70516e71fb22f4fe60a13e603f406 android.hardware.wifi.hostapd@1.0::IHostapd
+b2479cd7a417a1cf4f3a22db4e4579e21bac38fdcaf381e2bf10176d05397e01 android.hardware.wifi.hostapd@1.0::types
+e362203b941f18bd4cba29a62adfa02453ed00d6be5b72cdb6c4d7e0bf394a40 android.hardware.wifi.supplicant@1.1::ISupplicant
+21757d0e5dd4b7e4bd981a4a20531bca3c32271ad9777b17b74eb5a1ea508384 android.hardware.wifi.supplicant@1.1::ISupplicantStaIface
+cd4330c3196bda1d642a32abfe23a7d64ebfbda721940643af6867af3b3f0aa9 android.hardware.wifi.supplicant@1.1::ISupplicantStaIfaceCallback
+10ff2fae516346b86121368ce5790d5accdfcb73983246b813f3d488b66db45a android.hardware.wifi.supplicant@1.1::ISupplicantStaNetwork
diff --git a/prebuilt_hashes/Android.bp b/prebuilt_hashes/Android.bp
new file mode 100644
index 0000000..4692b76
--- /dev/null
+++ b/prebuilt_hashes/Android.bp
@@ -0,0 +1,30 @@
+// Copyright (C) 2018 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+python_binary_host {
+    name: "dump_hals_for_release",
+
+    srcs: [
+        "dump_hals_for_release.py",
+    ],
+
+    version: {
+        py2: {
+            enabled: true,
+        },
+        py3: {
+            enabled: false,
+        },
+    },
+}
diff --git a/prebuilt_hashes/dump_hals_for_release.py b/prebuilt_hashes/dump_hals_for_release.py
new file mode 100755
index 0000000..fee12ab
--- /dev/null
+++ b/prebuilt_hashes/dump_hals_for_release.py
@@ -0,0 +1,136 @@
+#!/usr/bin/env python
+#
+# Copyright (C) 2018 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+"""
+Dump new HIDL types that are introduced in each dessert release.
+"""
+
+from __future__ import print_function
+
+import argparse
+import collections
+import json
+import os
+import re
+
+class Globals:
+    pass
+
+class Constants:
+    CURRENT = 'current'
+    HAL_PATH_PATTERN = r'/((?:[a-zA-Z_]+/)*)(\d+\.\d+)/([a-zA-Z_]+).hal'
+    CURRENT_TXT_PATTERN = r'(?:.*/)?([0-9]+|current).txt'
+
+def trim_trailing_comments(line):
+    idx = line.find('#')
+    if idx < 0: return line
+    return line[0:idx]
+
+def strip_begin(s, prefix):
+    if s.startswith(prefix):
+        return strip_begin(s[len(prefix):], prefix)
+    return s
+
+def strip_end(s, suffix):
+    if s.endswith(suffix):
+        return strip_end(s[0:-len(suffix)], suffix)
+    return s
+
+def get_interfaces(file_name):
+    with open(file_name) as file:
+        for line in file:
+            line_tokens = trim_trailing_comments(line).strip().split()
+            if not line_tokens:
+                continue
+            assert len(line_tokens) == 2, \
+                "Unrecognized line in file {}:\n{}".format(file_name, line)
+            yield line_tokens[1]
+
+def api_level_to_int(api_level):
+    try:
+        if api_level == Constants.CURRENT: return float('inf')
+        return int(api_level)
+    except ValueError:
+        return None
+
+def get_interfaces_from_package_root(package, root):
+    root = strip_end(root, '/')
+    for dirpath, _, filenames in os.walk(root, topdown=False):
+        dirpath = strip_begin(dirpath, root)
+        for filename in filenames:
+            filepath = os.path.join(dirpath, filename)
+            mo = re.match(Constants.HAL_PATH_PATTERN, filepath)
+            if not mo:
+                continue
+            yield '{}.{}@{}::{}'.format(
+                package, mo.group(1).strip('/').replace('/', '.'), mo.group(2), mo.group(3))
+
+def filter_out(iterable):
+    return iterable if not Globals.filter_out else filter(
+        lambda s: all(re.search(pattern, s) is None for pattern in Globals.filter_out),
+        iterable)
+
+def main():
+    parser = argparse.ArgumentParser(description=__doc__)
+    parser.add_argument('--pretty', help='Print pretty JSON', action='store_true')
+    parser.add_argument('--package-root', metavar='PACKAGE:PATH', nargs='*',
+        help='package root of current directory, e.g. android.hardware:hardware/interfaces')
+    parser.add_argument('--filter-out', metavar='REGEX', nargs='*',
+        help='A regular expression that filters out interfaces.')
+    parser.add_argument('hashes', metavar='FILE', nargs='*',
+        help='Locations of current.txt for each release.')
+    parser.parse_args(namespace=Globals)
+
+    interfaces_for_level = dict()
+
+    for filename in Globals.hashes or tuple():
+        mo = re.match(Constants.CURRENT_TXT_PATTERN, filename)
+        assert mo is not None, \
+            'Input hash file names must have the format {} but is {}'.format(Constants.CURRENT_TXT_PATTERN, filename)
+
+        api_level = mo.group(1)
+        assert api_level_to_int(api_level) is not None
+
+        if api_level not in interfaces_for_level:
+            interfaces_for_level[api_level] = set()
+        interfaces_for_level[api_level].update(filter_out(get_interfaces(filename)))
+
+    for package_root in Globals.package_root or tuple():
+        tup = package_root.split(':')
+        assert len(tup) == 2, \
+            '--package-root must have the format PACKAGE:PATH, but is {}'.format(package_root)
+        if Constants.CURRENT not in interfaces_for_level:
+            interfaces_for_level[Constants.CURRENT] = set()
+        interfaces_for_level[Constants.CURRENT].update(filter_out(get_interfaces_from_package_root(*tup)))
+
+    seen_interfaces = set()
+    new_interfaces_for_level = collections.OrderedDict()
+    for level, interfaces in sorted(interfaces_for_level.items(), key=lambda tup: api_level_to_int(tup[0])):
+        if level != Constants.CURRENT:
+            removed_interfaces = seen_interfaces - interfaces
+            assert not removed_interfaces, \
+                "The following interfaces are removed from API level {}:\n{}".format(
+                    level, removed_interfaces)
+        new_interfaces_for_level[level] = sorted(interfaces - seen_interfaces)
+        seen_interfaces.update(interfaces)
+
+    print(json.dumps(new_interfaces_for_level,
+        separators=None if Globals.pretty else (',',':'),
+        indent=4 if Globals.pretty else None))
+
+if __name__ == '__main__':
+    main()